Dimes make dollars, they say. But some dimes are worth more than a few dollars. As Gainesville Coins detailed, there are U.S.

This rare penny likely exists due to dies hitting one another without a coin between them ... too overzealous and created either a weak "D" mint mark or coins with no mint mark at all.

While buying known rare coins can be a costly venture ... collectors because it was created in Philadelphia without the approval of the U.S. Mint and are as rare as hen’s teeth.

Find Out: These 11 Rare Coins Sold for Over $1 Million Explore ... The only variety of a dime from 1965 was the one without a mint mark produced by the Philadelphia Mint — but a lot were minted.

The coin is considered the holy grail of numismatic collectors because it was created in Philadelphia without the approval of the U.S. Mint and are as rare ... Mint marks are letters on coins ...