4 More Rare Coins Worth Thousands: Hidden Treasures in Your Pocket Change Imagine reaching into your wallet only to find some pocket change you thought was ordinary which instead turned out to be worth thousands or even millions. Though rare, some finds do happen. In recent years, coin enthusiasts and even casual collectors have found their way into coins with incredible value some worth upwards of £700 and some bringing over tens of thousands in auctions.
This growing excitement is part of the world of numismatics, which concerns itself with the study and collection of coins. And with those past money values come history, errors, mintage numbers, and stories that these silent coins carry. If you are a serious collector or someone just starting into the world of rare coins, knowing what to look for can turn a passion into a serious endeavor.
Rare Coins Worth Thousands: A Detailed Guide
Coin Name | Rarity/Reason for Value | Potential Worth | Identification Tips |
---|---|---|---|
2009 Kew Gardens 50p Coin | Limited mintage (210,000) | Up to £700 | Kew Gardens Pagoda encircled by vine |
2008 Undated 20p Coin | Minting error (no date) | Up to £72 | Missing date on both sides |
2012 Olympic Aquatics 50p Error Coin | Minting error (lines over swimmer) | Up to £245 | Lines crossing swimmer’s face |
2009 Blue Peter 50p Coin | Limited special edition | Over £200 | High jumper design, year “2009” |
Official Resource | The Royal Mint | Visit for authentic coin verification |
1. 2009 Kew Gardens 50p Coin
This coin was released in 2009 to mark 250 years since Kew Gardens was founded. Very few of them were put into circulation: 210,000. Because it is rare, collectors have a huge appetite for it.

Identifying signs:
Kew Gardens Pagoda illustrated on the reverse of coin: Inscription reads “1759-2009.” The possibility of value: It might be worth anything from £150 to £700 or even beyond that amount in some cases.
2. 2008 Dateless 20p Coin
In 2008, a minting error caused around 250,000 coins to be produced and issued without a date. These are known as, “mule,” coins.

- Identifying clues: No date on both sides of the coin.
- Possible worth: These coins fetch approximately £50 to £72.
3. 2012 Olympic Aquatics 50p Error Coin
Some of these coins, which were issued for the 2012 London Olympics, had a mistake by having the water lines cross the swimmer’s face.

Identifying clues: Water lines cross the swimmer’s face.
Possible value: These error coins might be sent to auction with a £245 price tag.
4. 2009 Blue Peter 50p Coin
This coin is the product of the competition organized by the Blue Peter show by the BBC and was infused into hideous scarcity with limited amounts of coins minted.

Identification Traits: The design of the high jumper and the date 2009.
Possible Value: These coins may go above £200.
Tips for identification and valuation of and for rare coins:
- Check regularly: Each coin you receive needs to be checked quite regularly.
- Look for minting errors: Coins with imperfectly worked designs or erroneous details may prove more valuable.
- Special find: Coins minted for special occasions or anniversaries are often rare.
- Condition matters: Better condition increases the value of the coins.
If you find a rare coin:
- Confirm authenticity: Consult with a trusted reference or a qualified numismatist.
- Condition and appraisal: Since the value of coins depends on their condition, have it graded professionally.
- Decide on sale or retention: You may take a decision based on your financial goals.
Conclusion:
Imagine the thrill of discovering a tiny coin in your everyday change that is worth thousands-or perhaps even millions. Such finds are rare, but not impossible to make. Proof that even the 2009 Kew Gardens 50p, the undated 2008 20p, the 2012 Olympic Aquatics error coin, and the 2009 Blue Peter 50p coins can bear extraordinary fortune in plain sight.
The rare coins, minting errors, and editions never fail to keep a collector or an occasional change scanner interested. And with a good eye, a bit of knowledge, and a tendency to curiosity, you might just happen upon a hidden treasure sitting quietly in your pocket or piggy bank.
FAQs
Q.1 How can I tell if I own one of these rare coins?
A. Examine your coin for its year, inscriptions, and unique design features. Then compare it with authentic reference images or consult a numismatic expert to verify its authenticity and value.
Q.2 Are these coins still in circulation?
A. No, these coins are not in circulation. They are now considered collector’s items and are typically sold at auctions, through dealers, or passed down through families.
Q.3 Where can I get my coin authenticated?
A. You can contact the South African Numismatic Society or use professional grading services like NGC (Numismatic Guaranty Corporation) or PCGS for authentication and value assessment.
Q.4 Can I sell a rare South African coin online?
A. Yes, but it’s recommended to sell through reputable auction houses, trusted online coin dealers, or platforms that specialize in rare collectibles to get the best value and avoid scams.
Q.5 Are Kruger coins always valuable?
A. Not all Kruger coins are rare. Only certain early issues or limited-edition coins—such as the 1892 Kruger Half Pond—have significant collector value.