... brass,zinc,iron,etc 3)custom designs are welcome Gold wonderful commemorative coin Range of our products:insignia,medal,badge,souvenor ... etching, printing, laser engraving etc. * Logo: synthetic enamel, soft enamel, cloisonne, laser engraving, silkscreen and offset printing etc.* Thickness: Various thickness ... are not selling any products containing this(these) marks. Gold wonderful commemorative coin