Oh, there are several. Mexico City is one orf the more common mint mar5ks. It has an (M) with a (o) over the top of it. A really neat one looks like the dollar sign ($) from Potosi, Peru. Can you get a picture of both sides of the coin your refering to? Take Care Ben
Potosi is in Bolivia Bone. Lima was the mint in Peru. Spottedeagle - you can find a description of the coins and their mint marks HERE For some pics of the coins showing some of the mint marks, but not all - CLICK HERE