The US Navy Medal of Honor CPO John Finn Ordnance IYAOYAS Challenge Coin is an original item in the category of militaria. This challenge coin pays tribute to Chief Petty Officer John Finn, a Medal of Honor recipient known for his bravery during the attack on Pearl Harbor. The coin likely features symbols and imagery related to ordnance and the IYAOYAS motto, representing the camaraderie and pride of Navy personnel. It is a collectible piece that holds historical significance and honors the valor of a distinguished naval hero.