Genuine U.S. Vietnam War era M1956 1 quart canteen cover, this is a 1st pattern with two snap fasteners to font and slide keepers/Alice clips to back, DSA (Defense Supply Agency) ink contract number to back and was manufactured in 1963, in excellent condition. The genuine U.S. M1961 1 quart plastic polyethylene canteen is in good shape and is 'U.S.' marked and dated 1972 made by Zarn. The genuine U.S. M1942 metal mug is 'U.S.' marked and was made by Ingersoll Products in the 1960's. A nice condition complete canteen set.