Feb 4, - Explore David Beard's board "My trade coins" on Pinterest. See more ideas about challenge coins, coins, police challenge coins. Symbolarts - the leader in custom police badges, custom challenge coins, custom patches, and other military and public safety jewelry-quality insignia. Hawaii. A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem They are also collected by service members and law enforcement personnel. Historically Louis "Uncle Louie" Gregory has created coins that are officially licensed by Topps Trading Cards, Ghostbusters, and Cobra Kai. A significant number of Varian's employees have police challenge coin trading backgrounds, where many of them learn the electronics and mechanical skills needed to support Varian equipment. This coin was presented to gunners upon graduation from their Air Force technical training and their entry into the "Gunners Association". The platings mix nicely to create an authentic looking badge, but the best contrast comes from the darker enamel. I have five challenge coins for the Anchorage Police Department. Law Enforcement Challenge Coins Given the clear connection between the military and law enforcement, not only in similar duties but also with veterans who become police officers, police challenge coin trading would expect to see lots of challenge coins as well. Although it is much more expensive than a normal business card, we find that they make great investments if you exercise care in who receives one.