element159 ✭✭✭

The copper 1982 cents weigh 3.11 g, while the zinc ones weigh 2.5 g. So yours is copper. (View Post)

To nitpick, the toning is actually a layer of silver sulfide, with no oxygen in the mix. (It is still, to a chemist, 'oxidation' though.) The colors result, from light reflecting off of both the uppe… (View Post)

Do you mean the slightly raised 3 in the upper right S/N? That is minor and I doubt worth more than face. That would be pretty common. (But keep it if you like it!) I think it happens, the serial num… (View Post)