United States Face, 1938-1975. Accumulation of mostly full sheets, 3¢-6¢ values, few higher, in sheet files, with usually 2 sheets per issue plus large blocks, including premium se-tenants such as Space Twins, Botanical, Beautification, etc; also better 3¢ commemoratives from the 1940's, total face value $1,600++, fresh & clean. Estimate  $1,000 - 1,500. $0