Got an old Australian 20 cent coin? It could be worth a lot! Recently, a 1966 Australian 20 cent coin sold for $870,000 at auction. This price is as high as some famous coins like the 1804 dollar and 1894-S dime.
This shows that even simple coins can be very valuable to collectors.
The 20-cent coin was first made in 1875 to solve a coin shortage. But, people got it mixed up with the quarter and didn’t like it. So, it was stopped in 1878 after only a few years.
Major highlights

- A rare 1966 Australian 20 cent coin sold for $870,000 at auction – an exceptional price for a small denomination coin.
- The 20-cent coin was introduced in 1875 to address a shortage of smaller denomination coins, but was unpopular and abolished just a few years later.
- Even obscure coins can harbour immense value for dedicated collectors, so it’s worth carefully inspecting any old coins you may have.
- The 20-cent coin’s rarity and historical significance contribute to its high valuation as a collectors’ item.
- Coin enthusiasts should be aware of the hidden gems in their collections or when they find new ones.
The Historic Journey of the 20 cent coin
The 20-cent coin has a fascinating history that started in 1875. It was introduced by the Act of March 3. The Royal Australian Mint made it, featuring Lady Liberty on a rock, facing left, with a liberty cap.
The front shows 13 stars and the date. The back has an eagle with olive branches and arrows. This design was meant to be unique.
But, the coin’s odd value made it less useful. It was made of copper-nickel, common in coins then. Yet, it was between the 10-cent and 25-cent coins, making it hard to use.
Now, collectors and numismatists are interested in the 20-cent coin again. Rare ones, like the 1966 “wavy baseline” coin, sell for a lot. This coin was sold for $870,000.00, showing its value.
The 20-cent coin’s story shows how Australian currency has changed. Collectors keep looking for rare coins, making the 20-cent coin an interesting part of Australia’s coin history.
What Makes This Coin Worth $870,000

In the world of numismatics, a 20 cent coin recently sold for $870,000. But what makes this coin so valuable? Let’s explore the factors behind its high worth.
Physical Characteristics
The 20 cent coin has a detailed design. It shows Lady Liberty on one side and an eagle on the other. Made from copper and nickel, its material makes it appealing to collectors.
The coin’s design and minting quality make it a masterpiece. It’s a true work of art in coin design.
Rarity Factors
Rarity greatly affects a coin’s value. This 20 cent coin was made in small numbers. Only a few hundred were produced.
Its rarity, age, and historical importance make it highly sought after. Rare coins like this often get high prices because of their scarcity and demand.
Authentication Markers
Verifying a coin’s authenticity is key in numismatics. This 20 cent coin has unique features that prove its legitimacy. These include mint marks, serial numbers, and security features that set it apart from fakes.
The 20 cent coin’s physical details, rarity, and authentication markers make it a treasure. Its price of $870,000 shows its value in numismatics, coin design, and collectors’ items.
How to Identify Valuable Coin Features
Are you into coin collecting or just curious about your coins’ value? Knowing what makes a coin rare and valuable is key. In numismatics, small details can make a big difference.
The 1966 20 cent coin with a “wavy baseline” on the number 2 is a great example. Only a few of the 58.2 million coins from that year have this design. They can sell for up to $5,500 if they’re in good shape. Even worn-out ones can fetch $200 to $600.
There are many Australian coins that have become valuable because they’re rare or have unique designs. For example, some 5 cent coins from 1972 and certain 50 cent coins from 1985 and 1993 can sell for up to $100, $40, and $15, respectively.
Grading coins is also important to know their worth. Experts use the Sheldon Scale, which rates coins from 1 to 70. The coin’s color, wear, and condition all affect its grade and value.
Whether you’re a seasoned collector or just starting, looking for these special features can lead to finding rare coins. With some knowledge and a keen eye, you might discover a valuable Australian coin treasure.
Coin | Mintage | Current Value Range |
---|---|---|
1966 Wavy Baseline 20c | Unknown | $180 – $5,500 |
2007 Double-Headed 5c | Unknown | $3,000 |
2000 $1/10c Mule | 6,000 – 7,000 | $300 – $3,500 |
2022 Queen’s Platinum Jubilee 50c | 70,000 | $70 – $100 |
1985 50c | 1,000,000 | $10 – $30 |

Keep in mind, the value of coins can change based on their condition. Always get them professionally graded. Happy coin collecting!
Conclusion
The sale of a rare 1966 Australian 20 cent coin for $870,000 shows the hidden value in everyday money. Such high-value finds are rare, but it’s worth checking my coin collection for treasures.
Rarity, condition, and historical importance are key to a coin’s value. Talking to trusted coin dealers or getting my coins graded can help. I can learn about Australian 20 cent coins and their unique features from numismatic resources.
As someone who loves Australian currency, the $870,000 20 cent coin story inspires me. It shows that even common-looking coins can be very valuable. With the right knowledge and help, I might find a hidden gem in my collection.