When I first got this at bank I was like hmm this is weird...but the weirdest part it was raining and when I dropped it outside the copper color disappeared. when I got inside got my magnifying glass out and the very first thought was wow somebody's got way too much time to do this
Environmental Damage. The Cupro-Nickel clad layer was affected by the elements and/or chemicals. Looks like the copper core Erroded also.
