Australians have been strongly encouraged to search their homes for any old coins that might be lying around, as a single hidden piece could be worth thousands of dollars. According to experts, if you discover a silver threepence from 1860, it could sell for over $50,000 at the upcoming Noble Numismatics auction in Sydney, scheduled from April 13 to 17.
The Legendary 1860 Silver Threepence
Jim Noble, managing director of Noble Numismatics, explained to Daily Mail that this coin is considered legendary due to its unique design. 'It's very rare and is a numismatic icon, featuring an Indigenous man with a boomerang,' Mr Noble said. This makes it a highly sought-after item among collectors, with its value driven by both rarity and historical significance.
Other Valuable Australian Coins
While the rare 1930 penny is known to sell for tens of thousands of dollars, several other Australian coins could also command hefty prices at auction. For instance:
- A 9967 fine five-ounce gold ingot by Harrington.
- A threepence with an overdate of '1922/21'.
- A Melbourne Mint square pattern kookaburra penny from 1919 in choice uncirculated condition.
Each of these items could potentially earn their owner up to $35,000. Additionally, a variety of Sydney Mint gold sovereigns and half sovereigns might make someone $40,000 richer, highlighting the lucrative potential of numismatic finds.
Factors Determining Coin Value
Mr Noble, who once owned the world's most complete collection of British tokens, emphasised that the amount people are willing to spend on a coin depends on three key factors: rarity, condition, and grade. 'The better the grade, the better the value is,' he noted. He also shared anecdotes of people finding valuable coins in unexpected places, such as under floorboards, during runs at Centennial Park, near Sydney Harbour, and around deserted old gold mining towns.
Identifying Valuable Coins
Not everyone realises when they come across a gem, but Mr Noble pointed out that old coins in good condition can be surprisingly valuable to collectors. 'If you've kept a few pre-decimal coins, the most valuable are those that are old and in good condition, especially if they look like they just came from the bank,' he advised. He further explained that a coin's value is influenced by its metal composition—whether it's copper, silver, or gold—as well as its rarity. 'If you think it has a rarity value as well, you could get us to research it for you.'
Beyond Coins: Other Auction Items
While coins are the main feature of the auction, other items will also be up for grabs, including paintings, pens, and medals. Notable examples include:
- A 19th-century Chinese decorative gold cup from the late Qing Dynasty, featuring a circular handle and thumbpiece, which could sell for $15,000.
- A Horologerie 1010 limited edition fountain pen that might fetch $30,000.
- A 1658/7 British Oliver Cromwell silver crown in uncirculated condition, potentially selling for $25,000.
Unusual Finds in Numismatics
Mr Noble also mentioned some of the strangest coins he has encountered at auctions, such as ancient Greek and Roman coins with unusual images. These finds underscore the diverse and often surprising nature of numismatic collections, where historical artifacts can turn into modern-day treasures.
In summary, Australians are being urged to take a closer look at any old coins they might have stored away. With the right combination of rarity and condition, these items could unlock significant financial rewards, making it a worthwhile endeavour for anyone curious about hidden valuables in their homes.



