Kevine84 Posted November 26, 2019 Share Posted November 26, 2019 I have a really strange nickel. It seems to have a really weird surface texture and it make the lettering seem abnormal. Is this anything significant? Link to comment Share on other sites More sharing options...
Greenstang Posted November 26, 2019 Share Posted November 26, 2019 Looks like corrosion, a form of PMD. Link to comment Share on other sites More sharing options...