Quality Stamp - 22K - Straight 3mm
3-1/2" long 22K quality marking stamp. A "quality mark" is the little number or letters that are stamped into an article made of precious metal to indicate what metal and purity the item is made of. By law, this 22K stamp can only be used to mark an item that is made from completely of 22K gold. Do not use this stamp to mark items coated with 22K gold paints.