Medal riband fitted with 9mm crimp brooch mounting bar that retains the original hinged pin and clasp fittings, as issuedThe reverse of the crimp brooch with maker hallmark 'Graco-GI'The Merchant Marine Korean Service Bar was created by the United States Maritime Administration on July 24, 1956. The riband bar was subsequently converted to a medalThe decoration is awarded to officers and men for service aboard merchant vessels flying the American flag in waters adjacent to Korea between June 30, 1950 and September 30, 1953, during the Korean WarCondition: EF