Immitation Hard Enamel / Cloisonne lapel pins are die struck from a copper bronze surface and hand-filled with a glass like mixture. Immitation Hard Enamel / Cloisonne lapel pins have the greatest perceived value and a jewelry-like finish.The pins are fired in a kiln, more color is added and then they are fired again. This two step process insures that bleeding of colors does not occur. Next, the pins are individually hand polished and then plated.