Found a copper coin the diameter of a silver dollar,The thicknes of a quater,and its concave (Not Flat) No date,Has a liberty head on one side with stars around it.The other side has a large wheat wreath near the edge.It also has the letters J.H. stamped into it 2 times on 1 side and once on the other,This was done along time ago the patina is the same as the rest of the coin.Would like to know what it is and worth.Cant take a picture yet.Thanks Grazzze