I know most bubbles on coins fall into a few small categories... like true mint errors, heat damage, or improper plating. But honestly... I have never come across something so very drastic. I think it must be a plating error. This is a large-date variety, so it's common, and I believe plated. But I ...

Good afternoon, I have always noticed that there was an unusual sheen on some 2001P Can. 5 cents. (I have noticed a couple 2007s as well), and I finally threw one up on my microscope. It seems to be some kind of low relief... or weak strike? Anyway, I have put up a picture of a normal 2001P(top pict...

Thanks for the insights. I figured as much, but I'm going to keep it as a damaged-but-awesome looking coin.

I found this curious 2015 Can. 5 cent. It is black, and the pictures don't do it justice it is pitch black to the eye. It really is kind of cool. But my question out here to the hive is ... what the heck? The plating has such a small amount of actual nickel in it that it seems weird to tone this way...