The only way for a coin to be classified as uncirculated is if there is no evidence of wear anywhere on the coin . In other words, the luster is bright and complete across the entire surface of the coin.
Read moreWhat are contact marks on a coin?
Coins graded MS-60 and better have contact marks, referred to as “bag marks.” These slight marks are the result of contact with other coins during the minting process and while being handled and stored in U.S. Mint sealed bags.
Read more