Retired Collector & Dealer in Major Mint Error Coins & Currency since the 1960's.Co-Author of Whitman's "100 Greatest U.S. Mint Error Coins", and the Error Coin Encyclopedia, Vols., III & IV. Retired Authenticator for Major Mint Errors for PCGS. A 49+-Year PNG Member...A full numismatist since 1972, retired in 2022
Answers
It has a foreign substance on it.
Its just toning/tarnish. It comes in all colors.
thanks for your comments. it could be either of those, I was thinking maybe planchet annealing issue.
Not an error
for PCGS. A 49+-Year PNG Member...A full numismatist since 1972, retired in 2022
It happens. Copper is strange.
Lance.
Yes copper is very strange
Ok, I get it, thanks for all the comments and pics.
Could also be contact transfer when silver coins were together with it.... such as pocket change or purse. Cheers, RickO
....that’s really stretching it a bit there..
@ambro51.... Yep... just throwing out another 'possible'...Not likely though. Cheers, RickO
back when I was young and Mercury was harmless we used to play with it and drop cents in it and coat them...