Are you sitting on a small fortune without even understanding it? If you’ve ever come across an old 20-cent coin, don’t rush to spend it—it could be one of the uncommon sorts collectors are determined to get their palms on. Some of those unassuming coins are actually worth lots, even millions of greenbacks, due to their shortage, precise minting errors, or historical significance. Here’s a examine the pinnacle 5 uncommon 20-cent coins that might make you a millionaire—test your collection nowadays!
1876-CC Liberty Seated 20-Cent Coin
The 1876-CC (Carson City Mint) Liberty Seated 20-cent coin is arguably the rarest 20-cent piece in U.S. History. Only 10 recognized examples are believed to exist nowadays, as the majority of this mintage become melted down rapidly after manufacturing.
- Why it’s valuable: Extremely limited surviving mintage and high collector demand.
- Auction highlight: One coin fetched over $1 million at auction.
- How to identify: Look for the “CC” mintmark just below the eagle on the reverse side.

1875-S Proof 20-Cent Coin
While most 1875-S coins are relatively common, proof versions from this year are extremely rare. A proof coin is specially made for collectors, with a mirror-like finish and crisp details.
- Why it’s valuable: Rare production technique and limited surviving specimens.
- Estimated value: As high as $500,000 for well-preserved examples.
- What to look for: A highly reflective surface and exceptional detail under magnification.
1875-CC 20-Cent Coin in Mint State
The Carson City Mint produced several 20-cent coins in 1875, but those that have survived in uncirculated (Mint State) condition are extremely scarce and command top dollar.
- Why it’s valuable: Mint condition 19th-century coins are highly sought after.
- Recent sales: Some pristine pieces have gone for $150,000 or more.
- Check your coin: Look for the “CC” mintmark and minimal signs of wear.

1875 Philadelphia Liberty Seated
The Philadelphia Mint also struck 20-cent pieces in 1875, and while they’re more common than the Carson City versions, high-quality specimens still demand significant value—especially those in proof or near-perfect condition.
- Why it’s valuable: Limited mintage and historical value.
- Auction range: Top examples can sell for $25,000 to $40,000.
- Visual cue: No mintmark (Philadelphia Mint didn’t use one at the time).
1985 Australian “Wavy Baseline” Coin
Not all valuable 20-cent coins are American. The Australian 1985 “Wavy 2” coin is a rare mint error that features a distinctive wave on the bottom stroke of the number 2 in the “20” on the reverse.

- Why it’s valuable: Mint error with strong demand from Australian collectors.
- Estimated value: Clean, uncirculated versions can sell for over $10,000.
- How to spot it: Examine the base of the number 2 for a wavy or curved line instead of a straight one.
Final Thought
If you’ve inherited an old coin collection or stumbled upon vintage change, now’s the time to take a closer look—your 20-cent coin might be worth a fortune. Even minor design differences or minting errors can turn ordinary coins into rare collectibles. If you think you’ve found a valuable one, consider getting it professionally graded and appraised. Who knows? You might be one lucky coin away from becoming a millionaire.
FAQ’s
What is the most scarce 20-cent coin?
The rarest known is the 1876-CC twenty-cent piece.
Can recent coins be valuable as well?
Yes, mint errors can render recent coins valuable.
What is a mule coin?
A mule coin has mis-matched front and back dies.