found this today, I think it's really old..its worn pretty bad. googled a few things but cant find an exact coin just like it. can anyone give me a guestamate
OK after a little more research I found that the P.R. is a mint mark, this one in particular was made in Bolivia from 1789 to 1790. This is my oldest coin I have detected so far. Just think was minted over 200 years ago just to find it's way to me.