Challenge coins are presented in honor of special or professional achievements or to mark special events and have become highly collectible. Custom coins are increasingly popular with businesses, universities, schools, sports, academic teams, businesses, and organizations. Our challenge coins are usually made of brass or zinc alloy material in nearly any shape and can be in veracious process finished such as Imitation Hard Enamel (also known as Epola), soft enamel, without colors, etc. Our China factory has made millions of coins and received countless compliments from customers. Custom coins are welcome, please contact Star Lapel Pin sales representative to make your design/logo real.