A oily fingerprint ISN'T an error. It's Post Strike Damage (it happened after it left the U.S. Mint). We have natural oil from our fingers, and when it get on a coin and left there, the oil eats away at the metal, causing damage to the coins surfaces.
Errers and Varietys.
Edited by Errers and Varietys
07/06/2018 7:49 pm