I don't know much about it, from what I've read theories are it can be impurities on the planchet surface, on the die or in the metal itself, the latter maybe least likely. I've seen other gold buffalo online with red spots. They may not be copper spots but that's what some call them. Here is an example:


Edited by livingwater
10/29/2023 9:01 pm
10/29/2023 9:01 pm






















