A 'Diamond and Pearl' 1923 Halfpenny with a fully defined central diamond in the crown and eight pristine pearls

A 'Diamond and Pearl' 1923 Halfpenny with a fully defined central diamond in the crown and eight pristine pearls
A 'Diamond and Pearl' 1923 Halfpenny with a fully defined central diamond in the crown and eight pristine pearls
Choice Uncirculated and one of only three known at this quality level
Madrid Collection of Australian Rare Coins, The Dan Collection
This Choice Uncirculated 1923 Halfpenny was acquired in 2008 by the owner of the "Madrid Collection of Australian Rare Coins". At its zenith, the "Madrid Collection" held the largest inventory of Australian proof coins. So why does a collector with a passion for Australian proof coins, decide to include in his holding a coin that was not struck to proof quality but was originally intended to circulate? He was aware that the 1923 Halfpenny was an important coin held in high regard by collectors. He marvelled at its quality, the design detail and proof-like surfaces. And he acknowledged the magnitude of owning a coin that was struck in factory-like conditions with the intention that it would circulate. And yet be found almost one hundred years later in a miracle untouched state. Technical shots are provided below.
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Australian collectors just love their copper coins.

While not everyone could hold onto (or even gain access to) a gold coin, the nation’s coppers were accessible to the man in the street.

And while there is no doubt that Australia’s 1923 Halfpenny has benefited from the emotional feelings stirred up by its side-kick, the 1930 Penny, the ’23 stands on its own merits as Australia’s rarest halfpenny.

And an Aussie icon.

This coin is one of the finest known examples of the nation’s scarcest halfpenny. It is proof-like in its appearance and is one of three known at this quality level.

It is in a remarkable state of preservation with highly reflective, smooth surfaces.

As a company we appreciate top quality. But more than top quality we love to see the words ‘exceptional quality’ ascribed to a piece.

This coin is exceptional for quality.

A rarity that defied the mintage figures

That the Sydney Mint in its Annual Report recorded the striking of 1,113,600 halfpennies in 1923 would tend to suggest that it was a common date coin.

For decades collectors challenged the point, drawing on their experience that the 1923 Halfpenny was the least available coin in the halfpenny series.

John Sharples, at the time Curator of Australia’s National Coin Archives set the record straight when he undertook an analysis of die production and die usage at both the Sydney and Melbourne Mints.

His research confirmed that the 1,113,600 halfpennies struck at the Sydney Mint were in fact dated 1922.

The 1923 Halfpenny was in fact struck at the Melbourne Mint in a mintage of approximately 15,000, confirming its status as Australia’s rarest circulating halfpenny.


A stunning reverse, highly reflective surfaces that exude beautiful colours.


An amazing obverse. The diamond is sharp and complete. The pearls, eight of them, plump and untouched. Smooth, highly reflective fields exude beautiful colours.

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PO Box 1060 Hawksburn Victoria Australia 3142

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