what is the rarest mint mark on a coin
The rarest mint mark isn’t one single letter —it depends on the coin series and the specific issue. In U.S. collecting, the Charlotte “C,” Dahlonega “D” (not Denver), and Carson City “CC” mint marks are widely considered among the scarcest overall because those mints operated for limited periods and produced relatively low mintages.
Quick answer
If you mean the rarest mint mark on a U.S. coin type , collectors often point to Carson City “CC” coins as especially scarce, but the true rarest examples are usually specific dates and varieties , not just the mint letter itself.
What matters most
- Mint mark alone is not enough. A common date with a scarce mint mark can still be less rare than a different coin with a lower survival rate.
- Some famous rare coins include the 1894-S Barber Dime , 1909-S VDB Lincoln Cent , and 1870-S Seated Liberty Dollar , where rarity comes from a mix of mint mark, low mintage, and survival rate.
- No mint mark does not automatically mean rare. Millions of U.S. coins were made without mint marks, especially from Philadelphia.
Practical takeaway
If you’re asking which mint mark to watch for, the best short answer is:
- CC for Carson City coins.
- C for Charlotte coins.
- D for Dahlonega coins.
- Then look at the date and denomination , because those determine whether the coin is truly rare.
If you want, I can also give you a simple list of the rarest U.S. coin mint marks by series in an easy table.