Only reason why I am asking is because it still has luster and is 2016 (D)very shiney. I hear that you shouldn't refer to an improperly annealed plantchet if it's got no luster
There is a huge thread where you can post your environmentally damaged coins. It is called post your toners. I say a little acetone dip, a clearer picture and you're getting about five more likes in that thread over this thread.