Awarded during era of Korean and Vietnam War'sThe medal riband is fitted with an un-marked 12mm crimp-brooch (circa 195-1975), complete with long-hinged pin & intricate drop-lock clasp fittings, as issuedThe Navy and Marine Corps Medal was instituted on 7 August 1942, as the highest non-combat bravery decoration for award to United States Navy and United States Marine Corps for acts of heroism performed under non-combat conditions, i.e., for acts not involving armed conflict with an enemy of the United SatesCondition: EF