Aercus ✭✭✭✭

Also used to plate white gold in jewelry. Last time I read up on this, the problem was on the supply side (possibly Russia?). (View Post)

I love it! Many gold pieces are so rare, but there's just little demand. I'm glad that proof gold is not so overlooked now. Your piece is gorgeous! Hang on to her, I'm sure she will tr… (View Post)

64+ PL. Great coin (View Post)

Yes! Early and seated halves are my thing. And there's SO many varieties in those series, especially the capped bust (1827 anyone?). (View Post)

The blue color on ihc proofs is causes by copper sulfide, as opposed to the usual dominant color caused by cuprous/cupric oxide. This can be causes by exposure to various sulfur compounds, including … (View Post)