Sapyx ✭✭✭✭✭

For me, that would be the New South Wales Holey Dollar of 1813. Only a couple hundred known in existence, and half of those are in museums. Historically, been about the same price as a suburban house… (View Post)

Back when I was studying at Uni, I wouldn't have looked at the collection for months on end. That would be the longest period of time for me when the collection was stowed away and ignored. I'd usual… (View Post)

It's not a coin and, if it really is "Very light for its size", then it' not silver. Most likely aluminium. I would concur with the Italy origin. With no text, identifying who the portrait … (View Post)

If my understanding of the chemistry is correct, silver demonstrates very strong photochemical properties but copper and gold do not. So exposure to sunlight alone should not affect the toning of non… (View Post)

It looks for all the world like something has been stuck to the surface at various places, like drops of glue. Which makes me suspect that that's exactly what you've got: a coin that was glued onto s… (View Post)