A small coin that has an organization sign or an emblem is called the challenge coin. And every organization has a specifically designed challenge coin for their members.
Members must be able to carry these challenge coins wherever they go for their identification purposes. They ought to proof their membership when necessary. And this is a common thing with most military servicepersons. In fact, military coined the idea of carrying challenge coins for identification purposes.
Many stories are associated with the introduction of the challenge coins. One of the commonest story that is regarded as the most credible that tells of the origin of these challenge coins, and that is extensively believed is that these items were first coined by the United States Army Air force Service during the World War 1.
It is said each member of the American Squadron was required …