Nowadays, Custom challenge coins are everywhere. Challenge coins are generally made of metals such as zinc alloy, copper, iron, etc. . Their most tremendous significance is commemorating events such as outstanding people, sports events, places of interest, etc., mainly used in the military field, significant events, Football Games, school graduation and fire theme. The challenge coin is a cultural product that integrates history, humanity, art, and technology. It has no consumption function and seldom circulates on the market, but it has the collection's significance, and its collection value will increase with time.