1919 Kookaburra Square Penny, featuring the unique Type 3 design

1919 Kookaburra Square Penny, featuring the unique Type 3 design
1919 Kookaburra Square Penny, featuring the unique Type 3 design
Choice Uncirculated with impeccable proof-like surfaces enhanced by handsome toning.
Private Collection Melbourne
This 1919 Type 3 Square Penny has four redeeming features. The first is its extreme rarity. We would expect to sell a 1919 Type 3 Square Penny every two to three years. The second is its unique design. No other Square Penny bares the design of the Type 3. The third is its quality. Choice Uncirculated is the highest rating for a Square Penny. The fourth point is its favourable price, given its extreme rarity. The Square Penny is one of Australia’s great currency rarities, as is the Holey Dollar, the Dump, Adelaide Pound, 1855 Sovereign and the 1930 Penny. These six classic coins share a common bond. They capture a profoundly important era in Australia’s history and have timeless appeal. Moreover, the coins are extremely rare, the Square Penny particularly so.
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The 1919 Kookaburra Square Penny is a great Australian coin rarity, an Aussie classic.

The coin is cherished by collectors for its novel square shape, perfect kookaburra motif. And for the evocative memories it stirs up of Australia as a nation post-World War I.

The 1919 Kookaburra Square Penny has one other redeeming feature. Its acute rarity. The coins are extremely rare and their infrequent appearances are the very reason why collectors have always faced stiff competition from investors whenever an example appears.

Key points to note about the Type 3 Square Penny. It has a unique design and its is very rarely offered.

The Type 3 Square Penny, with its modern lettering and sleek-style kookaburra, has a design that is unique to its type. No other square penny type bears that design.

We estimate that fifteen 1919 Type 3 Square Pennies are available to collectors.

This is a minuscule number when you consider that the fifteen coins are never going to be slapped onto a table in one hit and offered for sale at the one time.

So how often can a buyer realistically expect to see a 1919 Type 3 on the market?

Our research, and our experience, confirms that you might expect to be offered a Type 3 Square Penny perhaps once every two to three years.

In 2019, the Royal Australian Mint Canberra, released a modern coin issue acknowledging the historical importance of Australia's Kookaburra coinage.

Not surprisingly, the issue quickly sold out.

Three coins, each square shaped and having a 25 cent denomination commemorating the years the Square Penny was issued, 1919, 1920 and 1921.

And what design did the Royal Australian Mint choose to commemorate the 1919 Square Penny?

The Type 3 Square Penny of course.


The Melbourne Mint commenced striking Australia's Commonwealth copper pennies in 1919. No sooner had the mint started issuing the coins, than it was directed by Treasury to commence testing an entirely new penny concept, a square coin made from cupro-nickel.

The introduction of the Kookaburra Square Penny underpinned an attempt by the then Labor Government to stir up national sentiment post World War I. To evoke the great 'Aussie' spirit.

If you think about it. Putting the nation’s native bird - the kookaburra - onto a coin was a no-brainer to achieving that goal. A drastically changed shape, a square. And a new metal, cupronickel was part of the total package to maximise impact on the population.

The proposal was contentious in that the monarch, King George V, was to be depicted on the obverse without a crown. Some say it was the rumblings of a Republican movement way ahead of its time.

Tests commenced at the Melbourne Mint in 1919 with the test pieces ultimately passed to dignitaries and Government officials to assess their reaction.

Sadly, in 1921 and after three years of testing, the scheme fell apart. The response to Australia’s square coinage was poor with widespread public resistance to change and people generally rejecting the small size of the coins.

However, the final decision not to proceed seems to have been based mainly on another consideration – the large number of vending machines then in operation requiring a circular coin.

The Square Pennies were test pieces struck to assess public reaction. So, they were not struck to exacting minting standards, a tell-tale sign the lack of uniformity in the width of the edges.

Given to dignitaries to assess their reaction, there was no packaging and we know that not every dignitary was a collector and would have handled them with care. Some of the coins must have been tucked into a fob pocket for they have circulated. Others could have rattled around a top desk drawer. Or passed around to colleagues ... introducing multi possibilities of mishandling.

It is noted that the Kookaburra Square Pennies tone, some more strongly than others, a reflection on their storage in the intervening years.

A Square Penny with minimal, attractive toning and beautiful surfaces is a joy to behold. And a prized classic Australian coin rarity.



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