United States - 1975 Commemorative Year Set Mint NH 28 stamps,  mint never hinged stamp, # 1553-1580;

Benjamin West, Self Portrait ~ Paul Laurence Dunbar ~ D.W. Griffith and Projector ~ Pioneer 10 Passing Jupiter ~ Mariner 10, Venus and Mercury ~Collective Bargaining: "Labor and Management" ~ American Bicentennial, Contributors to the Cause: Sybil Ludington ~ American Bicentennial, Contributors to the Cause: Salem Poor ~ American Bicentennial, Contributors to the Cause: Haym Salomon ~ American Bicentennial, Contributors to the Cause: Peter Fransisco ~ Lexington-Concord Battle, 200^th Anniversary ~ Battle of Bunker Hill, 200^th Anniversary ~ Military Uniforms: Soldier with Flintlock, Musket, Uniform Button ~ Military Uniforms: Sailor with Grappling, Hook, First Navy Jack, 1775 ~ Military Uniforms: Marine with Musket, Full-Rigged ~ Military Uniforms: Militiaman with Musket, Powder Horn ~ Apollo-Soyuz (two stamps) ~ International Women's Year: Worldwide Equality for Women ~ US Postal Service Bicentennial: Stagecoach and Trailer Truck ~ US Postal Service Bicentennial: Old and New Locomotives ~ US Postal Service Bicentennial: Early Mail Plane and Jet ~ US Postal Service Bicentennial: Satellite for Transmission of Mailgrams ~ World Peace Through Law ~ Banking and Commerce (two stamps) ~ Christmas: Madonna, by Domencio Ghirlandaio ~ Christmas Card, by Louis Prang...

The stamps are MNH and F/VF to excelent condition.