For your consideration, here is a Columbia Farmer Supply Association Embossing Round Piece.  It is made out of some kind of brass or bronze metal, for embossing paper.  It has some wear on it.  It has a diameter of 2 inches and a thickness of 1/4 of an inch.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (583.272t-.8ob)