2023 Super Pit 1oz Silver Coin
Discovered during the 1890s, the Golden Mile near Kalgoorlie was once said to be the richest square mile of gold reserves in the world.
Most of its original workings were swallowed up during the 20th century with the creation of an enormous open cast pit that is still expanding. To this day, the Super Pit continues to produce remarkable quantities of gold.
Struck by The Perth Mint from 1oz of 99.99% pure silver, the coin is issued as legal tender under the Australian Currency Act 1965 and has a mintage of 100,000.
DESIGN
The reverse of the coin portrays an overhead view of the Super Pit, a hole so large it is visible from space. Extraordinary detailing highlights the pit’s stepped slopes and the roadways used by haul trucks. As well as the inscription ‘SUPER PIT AUSTRALIA 2023 1oz 9999 SILVER’, the reverse also incorporates The Perth Mint’s ‘P’ mintmark.
The coin bears the official Queen Elizabeth II Memorial Obverse, featuring the Jody Clark effigy supplemented with the dates of Her Majesty’s reign – ‘1952 – 2022’. Also included on the obverse is the coin’s monetary denomination.
The coin’s reverse includes a security feature in the form of a micro-laser engraved letter within the design. It is only detectable under a magnifying glass.
PRESENTATON
The coin is presented without capsule in protective acrylic tubes of 25 coins. There are 10 tubes to a monster box.
Technical Specifications
| Silver Content | (Troy oz) | 1.000 |
| Fineness | (% purity) | 99.99 |
| Minimum Gross Weight | (g) | 31.107 |
| Monetary Denomination | (AUD) | 1.00 |
| Maximum Diameter | (mm) | 40.90 |
| Maximum Thickness | (mm) | 3.50 |
| Designer | Sean Rogers |
ABOUT THE PERTH MINT
The Perth Mint, located in Perth, Western Australia, is one of the oldest and most prestigious mints in the world, with a rich history that dates back to the late 19th century. It was established in 1899 as a branch of Britain's Royal Mint in response to the discovery of rich gold deposits in Western Australia. Its primary purpose was to refine gold mined in the region and to mint gold sovereigns and half sovereigns for use throughout the British Empire.
The Perth Mint played a crucial role in the development of Western Australia's gold industry, providing a local facility for gold refining and coin production that significantly contributed to the economic growth of the region. Over the years, it has evolved to become a leader in the precious metals industry, offering a wide range of services including gold and silver bullion bars and coins, precious metal refining, and jewellry.
After Australia gained independence, the Perth Mint continued its operations and, in 1970, it became wholly owned by the Government of Western Australia. Since then, it has expanded its offerings to include commemorative coins, investment products, and a wealth of services for precious metals storage, management, and distribution.
Notably, The Perth Mint has set several world records, including producing the world's largest gold coin in 2011, weighing one tonne and featuring a kangaroo design. It also operates one of the largest LBMA (London Bullion Market Association) accredited gold refineries in the world.
The mint is also a significant tourist attraction, offering visitors insights into Australia's gold mining history, the chance to view Australia’s largest collection of natural gold nuggets, and live demonstrations of traditional gold pouring.
Swan Bullion Company is proud to be an authorised distributor for both The Perth Mint bullion and numismatic products.


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