If it's smaller than a nickel, does the whole design show on the coin? If not it could be a silver dime planchet and weigh 2.5 grams. If it is a...
[ATTACH] [ATTACH] Here are what I hope are some better pictures.
[ATTACH] [ATTACH] [ATTACH] I found this in a lot of uncleaned Spanish coins. I've since cleaned it. Most were from the 17th Century. It's the...
Sodium bicarbonate solution will also probably strip the verdigree and leave at least some of the patina. But you'll want to monitor it every few...
Well thanks, that explains the IVIT I've found on other Byzantine coins. I always assumed they were forgeries. Are there other Byzantine mints...
In the US we have a history of eliminating obsolete denomination coins. I'm thinking of the half cent and three cent piece, which were both...
I just checked. The intrinsic value of a bronze US cent is about 8 tenths of a US cent. The problem with economically producing cents of any metal...
I think I see a fourth pillar on the flan to the right with a bottom higher than the other pillars.
Separate names with a comma.