The Sydney Mint opened in 1855 as a branch of the Royal Mint London, its function to produce gold sovereigns and half sovereigns. The mint was closed in 1926 striking its last gold sovereign in that year, the irony that a mint could be unprofitable.

Three monarchs reigned between 1855 and 1926, Queen Victoria (1837 - 1901), King Edward VII (1902 - 1910) and George V (1911 - 1936). The Queen Victoria era was represented by five portraits, Sydney Mint Type 1 (1855 - 1856), Sydney Mint Type II (1857 - 1870), Young Head (1871 - 1887), Jubilee (1887 - 1893), Veiled Head (1893 - 1901) and George V era (1911 - 1926).

1853 - 1870
The Melbourne Mint produced sovereigns and half sovereigns featuring the Young Head portrait between 1872 and 1887. Proofs of the years 1884, 1885 and 1886 have been found in collector's hands, as has a specimen example dated 1874 (ex Dangar collection). There are extremely limited offerings for collectors of Young Head Proof coinage, only four years out of an era that spanned sixteen. And the year 1886 is a prize, the only year to offer collectors a proof sovereign and proof half sovereign.

1871 -1887
The Sydney Mint produced sovereigns and half sovereigns featuring the Young Head portrait between 1871 and 1887. Proofs of the years 1884, 1885 and 1886 have been found in collector's hands, as has a specimen example dated 1874 (ex Dangar collection). There are extremely limited offerings for collectors of Young Head Proof coinage, only four years out of an era that spanned sixteen. And the year 1886 is a prize, the only year to offer collectors a proof sovereign and proof half sovereign.

1887 - 1893
A mintage of proof sovereigns was struck at the Melbourne Mint during the Jubilee era, in 1888 (3), 1889 (2) and 1893 (3), the figure in brackets indicating the number of known examples. Proof Half Sovereigns were struck every year, from 1887 to 1893, with most years known by just two examples. Very rarely offered, a Jubilee Proof Sovereign might be sighted every three to four years, a proof half sovereign every two to three years. 

1893 - 1901
The Melbourne Mint struck proof sovereigns and half sovereigns in each year of the Veiled Head era (1893 - 1901). With the exception of 1893, 1894, 1895, 1898 and 1901, two examples are known of each year. The Veiled Head era is the entry point for most collectors into the proof gold market for the coins are relatively affordable. Rarely offered, a Veiled Head Proof Sovereign or Half Sovereign might be sighted every one to two years.

1901 - 1910
During the Edward VII era (1901 - 1910) proof sovereigns were struck in 1902 and 1910 only. And only one example of each is known. No proof half sovereigns were produced. Overwhelmingly rare and one of the least available sectors of the Melbourne Mint proof gold market, comprised of just two coins!

1911 - 1926
Two portraits were used during the George V era (1911 to 1931): the Large Head portrait between 1911 and 1928, and the Small Head portrait between 1929 and 1931. Proof sovereigns were struck in only one year during the Large Head era, 1911. And two examples are known. No half sovereigns were struck. Proof Sovereigns were struck in each of the three years in which the Small Head portrait of George V appeared, and two examples of each year are known. Extremely limited offerings, the pool of Large Head proof sovereigns is just two coins, that of the Small Head six. 

Australia’s Proof Sovereigns and Proof Half Sovereigns are coins that were quite literally, fit for royalty. They are powerfully irresistible. And they are respected for the history they represent. They are sought after, the world over, for their exclusivity.

You don't buy a piece of proof gold and then put it aside. You savour the moment and you take in its glory, and you show it around to family and friends for they are exclusive and they are beautiful.  

Today's collectors are showing a marked preference for pairs if, and when, they are available. So not one coin, but two, the Proof Sovereign and the Proof Half Sovereign together. The current sentiment is that a pair is the mint's complete story, the total narrative. 

And this principle is being consistently taken up and reflected in Coinworks sales. The 1901 Perth Mint Proofs sold as a pair for $525,000, the purchaser commenting that he would not have bought an individual coin because it was not the complete story. The same views were expressed by the purchaser of the 1871 Sydney Mint Proof Sovereign and Half Sovereign. And in March 2026, a Proof 1896 Sovereign was acquired by a collector that already held the 1896 Proof Half Sovereign.

The pursuit of completion is also being shown in other areas of the market. The Complete Kookaburra Collection sold within a few hours of its release, the key here is that it was complete. A date set of kookaburra pennies, complete for each of the dates in which the coins were struck, is also today a strong collector favourite. In February 2026, a Coinworks client completed a 'mint' set of Holey Dollars: four Holey Dollars representing the mints Madrid, Lima, Potosi and Mexico. 

Complete sets are naturally heirloom-worthy. They’re easier to pass down, easier to explain, and more likely to retain their identity over generations. Families understand the concept of the full set instantly.

Let's also be clear. There is a significant amount of collector/investment dollars available globally. And buyers with significant financial resources are looking to spend their money on an item that has substance. And pairs or sets have more substance than an individual coin.

Coinworks is also making this offer to clients who are considering a pair of proofs. Take the first coin and we will guarantee to hold the second coin, and hold the price, for six months to facilitate a purchase of the pair. 

The coins produced at the Sydney Mint during the Young Head era featured new obverse and reverse designs. The sprig of banksia in the queen's hair was replaced with bands of ribbon presenting a more traditional regal style. And two new reverse designs were introduced, that of St George and the Dragon by Benedetto Pistrucci and the Shield design of J. B. Merlen. The Shield reverse was the only design used on Australia's half sovereigns during the Young Head era.

The Sydney Mint struck its first Coin of Record in 1871. (Prior to this all 'Sydney Mint' proofs were struck at the Royal Mint London.) 

The Royal Mint London produced the dies for the '1871' strike. That the Sydney Mint held the dies (as indicated in their records) and, the lack of examples in official British Collections, suggests that the proofs of 1871 were the first set to be struck in Australia, and the first striking of imperial proof gold coins outside Britain. Important indeed. A keen numismatic eye will also acknowledge distinct differences between Royal Mint and Sydney Mint strikes.   

The proofs of 1871 appeared at Sothebys auction, in London in 1888, in the sale of the Marsham Collection. An 1871 St George (milled edge) and an 1871 Shield (plain edge) Proof Sovereign were offered as lots 832 and 833 respectively. The 1871 Proof Half Sovereign (milled edge) was offered as lot 834. (Prices realised were £5 12s 6d, £9 10s and £4 10s respectively. Note the price of the plain edge shield example.)

The milled edge St George example passed through the hands of Murdoch, sold 1903 Sotheby (Lot 620), Huth, sold Sotheby 1927, (Lot 627) and Whetmore, sold Glendinings 1943, (Lot 192). That the plain edge shield sovereign sold at the Marsham sale in 1888, but has never been sighted since, suggests that it was acquired by an institution. The 1871 Proof Half Sovereign was offered in the Whetmore Collection sold Glendinings 1943 (lot 201). 

The 1871 St George Proof Sovereign and 1871 Shield Half Sovereign were offered first offered at an Australian auction by Spink Auctions Australia in 1978 (Lot 599 & Lot 650), in November 1981 (Lot 991 & Lot 999), and again in July 1988 (Lot 2305 & Lot 2306). They were sold by Coinworks in 2024 to a Canberra collector. 

No other 1871 proofs have ever been sighted. 

It is noted throughout the Sydney Mint's history that it experimented with both milled and plain edge. The Melbourne Mint's plain edge strikings were kept within minting circles. Both plain edge and milled edge examples of Sydney Mint proofs are noted in collector's hands.

Barrie Winsor records in his notes the production of a specimen sovereign in 1879. Unique. He also notes that it is impaired.

The next proof issue to be struck by the Sydney Mint occurred in 1880, no doubt for the Melbourne International Exhibition, a significant event in the history of colonial Australia. It was the first official World's Fair in the Southern Hemisphere and took place from October 1 to April 30, 1880. 

The Dangar Collection sold by Glendinings London in 1954 offered an 1880 Shield Proof Sovereign (milled edge) as lot 221 and a St George Proof Sovereign (plain edge) as lot 222. A milled edge 1880 Proof Half Sovereign was offered as lot 225. 

One example of the 1880 shield sovereign (milled) has been offered by Spink Auctions Australia in November 1978 (Lot 657), November 1981 (Lot 992) and again in July 1988 (Lot 2307). Spink also offered a St George sovereign (milled), in November 1986 (Lot 717), the coin impaired and was passed in.

An 1880 Proof Half Sovereign was offered in 1974 by Glendining and fetched £520 (Lot 22). Two Proof 1880 Half Sovereigns have been offered by Spink Auctions Australia in 1983 (Lot ) and the second example in 1988. (Check Kikeros coin - Glen mentions toning) 

A pair of 1883 Proof Sovereign and Half sovereign was sold by Barrie Winsor through M R Roberts in 1985 and is the only known proofs of this year.  

A Proof 1886 Sovereign is reported but has never been confirmed. 

No Young Head proofs were struck in 1887.

As a summary, the Young Head era of the Sydney Mint spans 1872 to 1887. There are extremely limited options for collectors of proofs in the Young Head era: 1871, 1880 and 1883. A specimen sovereign dated 1879 is noted.

The 1871 pair is in a long- term holding. 

The Young head proofs, both sovereign and half sovereign, are inordinately rare. 

Victoria became Queen of the British Empire on 20 June 1837, and her golden jubilee celebrated fifty years to the day, on 20 June 1887.

A new sovereign portrait was designed by (later Sir) Joseph Edgar Boehm to replace the Young Head portrait. The new design drew inordinate criticism for Victoria’s apparent scowling look and the precarious balancing of her crown. The design only lasted six years.

The year 1887 also saw the dropping of the Shield reverse on Australia's sovereigns. All Jubilee Head Proof Sovereigns were struck with only the St George and the Dragon reverse. The Shield reverse was however maintained on the half sovereign.

The Sydney Mint struck proofs in the first year of the Jubilee era, '1887' And the last, '1893'.

The Sydney Mint seems to have focused on production of a Five Pound and Two Pound piece in 1887. Two Five Pound and about twelve Two Pounds were produced. With minimal focus on the minting of proof sovereigns and half sovereigns.

Plain edge 1887 Proof Sovereign and Proof Half Sovereign are held in the Museum of Victoria, a bequest from Dr William Howat, who purchased them from the Sydney Mint in their closing-down sale for 30 shillings and fifteen shillings respectively and donated to the museum in 1926.

A milled edge 1887 Proof Sovereign and milled edge 1887 Proof Half Sovereign was held by the Murdoch Collection and offered by Sotheby Wilkinson & Hodge as lot 625. An 1887 Proof Sovereign was offered by Glendinings in 1939 in the sale of the Hamilton Smith-Briggs Collection (Lot 257). Most likely from the Murdoch Collection. The Quartermaster Collection held a complete 1887 Proof Set Five Pounds, Two Pounds, Sovereign and Half Sovereign, the latter two pieces ex Murdoch Collection.

Spink Auctions Australia has offered perhaps three examples of the milled 1887 Proof Sovereign (in 1978, 1996 and 1998, the latter impaired) and one of the plain edge in 1993. The company has never offered an 1887 Jubilee Proof Half Sovereign.

The dies for the sovereign and half sovereign were transferred to the Melbourne Mint and on its closure to the Royal Australian Mint Canberra. 

An 1893 Jubilee Sovereign (milled edge) was offered at Spink Auction November 1985. An 1893 Proof Half Sovereign was offered by Sothebys in 1927 in the sale of the Huth Collection (lot 630). The 1893 Jubilee Proof Half Sovereign has never been sighted at an Australian auction.

The plain edge examples in the Museum of Victoria are from the Sydney Mint, the coin purchased by Dr William Howatt for 30s and 15s respectively and donated to the Victorian Collection in 1926.

Henry Dangar must have had direct contact with the Sydney Mint as he had an extensive collection of Sydney proofs. It is however noted that he did not hold any Jubilee proof sovereigns or half sovereigns.

As a summary, the Jubilee era spans 1887 to 1893 and during those seven years the Sydney Mint struck proof sovereigns in three of them, 1888, 1889 and 1893. Half Sovereigns were struck every year. Most proofs, either sovereign or half sovereign, are only known by two examples. Very rarely offered, a Jubilee Proof Sovereign might be sighted every three to four years, a proof half sovereign every two to three years.

Proof Gold Sovereign of the Jubilee era.

The Veiled Head era of Queen Victoria, depicting the monarch in her twilight years commenced on Australia's sovereigns and half sovereigns in 1893 and continued until her death in 1901.

The Sydney Mint struck proofs only in the first year of the Veiled Head era.

The Dangar Collection sold Glendinings April 15, 1953 held two 1893 Veiled Head Proof Sovereigns (lot 229) and two 1893 Veiled Head Proof Half Sovereigns (lot 231), all with a milled edge.  

One of the Proof Sovereigns re-appeared at Spink Auctions Australia October 1977 (lot 500) and again in November 1980 (Lot 577) and most recently in November 1989 (Lot 1321). A Dangar 1893 Proof Half Sovereign appeared with the proof sovereign in October 1977 (lot 500) and again in November 1980 as lot 673 and more recently in November 1989 (Lot 1393).

Coinworks has sold an 1893 proof pair of Sovereign and Half Sovereign (milled edge) ex Dangar, Spink Auctions 1980n and 1989. And an 1893 proof pair with the plain edge.

The Museum of Victoria plain edge proof pair formed part of the Howatt donation n 1926, acquired from the Sydney Mint on closure.   

dyate and size of proof production in 1893 is unknown. However, it is acknowledged that John G Murdoch received two pairs, the Melbourne Mint also retaining two pairs. 

Mintage numbers and the date of production of proof sovereigns were recorded for the years 1894 (6), 1895 (10) and 1896 (12), the figures in brackets the recorded mintage. Mintages and dates of production of proof half sovereigns were also recorded at the Mint, 1894 (20), 1895 (10), 1896 (12). 

From 1897 onwards until 1901, the records are sketchy or non-existent.

The mintage figures appear heavily influenced by John G. Murdoch for with few exceptions, Murdoch held two pairs of proof sovereign and half sovereign of each year during the veiled head era. (Those exceptions, 1895 where he held three pairs, 1900 where he held three proof sovereigns and two proof half sovereigns and 1901, where he held one proof sovereign and two proof half sovereigns).    

The original mintages appear to have been created to provide a pool from which perfect examples could be selected to fulfil Murdoch's orders. Proofs surplus to his requirements, and that of the mint, were most likely melted down for it is noted that while the Melbourne Mint retained two pairs of 1893 Proof Sovereign and 1893 Proof Half Sovereign, the mint did not hold any of the other veiled head years (1894 to 1901). 

The Veiled Head proofs of the Melbourne Mint are lauded worldwide and if it was not for the involvement of John G. Murdoch, Australia's proof gold coins would be almost unavailable to today's collector market. In fact, there would be no private market for proof gold. The coins would be archived in public institutions!

It is noted that the Veiled Head proofs of the Melbourne Mint are very much sought after by the American market that is captivated with their gem frosted finish.

A collector can realistically expect a Veiled Head Proof Sovereign or Half Sovereign to come onto the market every one to two years. A pair, once a decade?

As a summary, the Melbourne Mint struck proof sovereigns and half sovereigns in each year of the Veiled Head era (1893 - 1901). Despite the increased frequency, it is still not an easy sector for collectors to buy into. The total market of Melbourne Mint Veiled Head Proof Sovereigns is a meagre seventeen coins and Proof Half Sovereigns even less at thirteen coins. Such availability is spread over a collector's lifetime, with demand coming from buyers the world over. And if you are looking for a pair, there are even more limited opportunities. 

Proof Gold Sovereign of the Veiled Head era

The proofs of Edward VII (1902 - 1910) are characterised by extreme scarcity. Proofs are known to have been struck in two years. And of each year, only one example is known.

Circumstances create numismatic superstars and the circumstance of Murdoch's passing in 1902 had a huge impact on proof coining at the Melbourne Mint. Technically, it fell off a cliff.

One Melbourne Mint 1902 Proof Sovereign is known. Formerly held by the South Africa Mint (a temporary branch of the Royal Mint, 1923 - 1941) it is now held by a private collector. No 1902 Proof Sovereigns are held in institutions including the Melbourne Mint. No 1902 Proof Half Sovereigns are known. 

Author Greg McDonald suggests that a proof sovereign was struck in 1904, its existence questioned by both John Sharples (former Curator of Australia's National Coin Archives) and now retired gold coin specialist, Barrie Winsor. There is no record at the Melbourne Mint of a striking in 1904 and an example has never been recorded or sighted. 

One example of the 1910 Proof Sovereign is privately held, formerly owned by Ross Pratley and Barrie Winsor, both leading gold coin specialists. For the record, a 1910 Proof Sovereign is held in the Museum of Victoria, the former property of the Melbourne Mint.

The proofs of Edward VII are also characterised by extreme beauty. The Melbourne Mint reached its zenith in proof gold coining during the era of Edward VII, the design detail of both the 1902 and 1910 proof sovereigns is magnificent, sculpted, three dimensional. The fields are like golden mirrors.

As a summary, during the Edward VII era (1901 - 1910) proof sovereigns were struck in 1902 and 1910 only. And only one example of each is known. No proof half sovereigns were produced. Overwhelmingly rare and one of the least available sectors of the Melbourne Mint proof gold market, comprised of just two coins!

Proof Gold Sovereign of the Edward VII era

The portrait of George V appeared on Australia’s sovereigns from 1911 to 1931.

Two slightly different portraits were used during the George V era (1911 to 1931). The Large Head portrait between 1911 and 1928, and the Small Head portrait between 1929 and 1931.

Proof sovereigns were struck in only one year during the Large Head era, 1911. And two examples are known, both coins offered at auction in Australia, the first in November 1978 and the second in March 1985. No half sovereigns were struck. 

Examples of the 1911 Proof Sovereign are held in the Museum of Victoria, transferred on closure from the Melbourne Mint.  

Proof Sovereigns were struck in each of the three years in which the Small Head portrait of George V appeared, and two examples of each year are known held by private collectors. 

It is noted that the Museum of Victoria holds two examples of each of the Small Head years, but those coins were purchased from the Melbourne Mint, the 1929 Proof Sovereign in the year of its issue, the 1930 Proof Sovereign in 1931. And the 1931 Proof Sovereign in 1932. 

Two portraits were used during the George V era (1911 to 1931): the Large Head portrait between 1911 and 1928, and the Small Head portrait between 1929 and 1931. Extremely limited offerings, the pool of Large Head proof sovereigns is just two coins, that of the Small Head six.

Proof Gold Sovereign of the George V era

Nothing compares to the allure of gold.
Particularly when it comes in the form of an Australian sovereign or half sovereign struck to PROOF quality. The coins are visually stunning, distinguished by the sharpest of detail and brilliant golden-mirror surfaces. When you look at the proofs shown above, you can only but agree. Perfection in gold.

The coins have a wonderful connection to the past.
Proof sovereigns and proof half sovereigns are the story tellers, defining an era, or a year, like no other coin. The coins can also define an occasion. And a monarch. And they tend to have a connection to a prominent person, either a dignitary, a Mint Master or an influential collector. 

The coins are genuinely rare.
Irrespective of the year in which they were struck, and the mint at which they were produced, Australia's proof sovereigns and proof half sovereigns are 'extremely rare'. We would be lucky to sight one piece at auction annually. And the reason for their incredible scarcity is that proofs were not struck every year. And of those dates that were struck as proofs, only one, perhaps two up to a maximum of three filtered their way out into the collector market.

It is estimated that there are perhaps thirty-eight Melbourne Mint proof sovereigns available to collectors, covering the complete spectrum of dates from 1872 to 1931, a span of sixty-years. The estimate on proof half sovereigns (1872 to 1915) is twenty-nine coins.

Compare their availability to our industry yardstick the 1930 Penny, where 1500 to 2000 examples are believed to exist. Or even a comparison to the Kookaburra Square Penny, struck between 1919 and 1921, where one hundred and fifty examples are believed available to collectors.

There are two other considerations that further limit their availability. As proof sovereigns and proof half sovereigns shared the same design as those coins struck for commercial usage, some of the proofs have tragically filtered their way into circulation and have been grossly mishandled, thereby marring their quality. And reducing the pool of "as struck" proof gold coins. The 1855 Sydney Mint Proof Half Sovereign, an acknowledged proof that has accidentally circulated.

The second consideration is that great coins tend to be held for the long term. The owner of "The Madrid Collection of Australian Rare Coins" held onto his proof gold coins for more than twenty years. The Spalding family for even longer. So too Tom Hadley, of Quartermaster Collection fame.

The coins have strong collector/investor appeal.
Collectors that buy in this area are all but guaranteed that the market will never be flooded with examples. So, it is a sector that offers financial stability and has been the hunting ground of investors for decades. The sector also has strength because it has widespread support amongst the Australian market. And overseas coin markets.