Sparta Blog : USA
A challenge coin is a small coin or medallion, bearing an organization’s insignia or emblem and carried by the organization’s members. Traditionally, they are given to prove membership when challenged and to enhance morale.
Thank you for all the hard work you did getting us these coins they turned out awesome. The COC thinks they are motivating. If not just me but the unit will be in contact with you and your company for more items in the future.