1975 United States Commemorative Stamp Year Set is in Excellent Condition! There are 28 Stamps in the Set: US #1553 10c Benjamin West US #1554 10c Paul Lawrence Dunbar US #1555 10c David W Griffith US #1556 10c Pioneer 10 and Jupiter US #1557 10c Mariner 10 US #1558 10c Collective Bargaining US #1559 10c Contributors to the Cause: Sybil Luddington US #1560 10c Contributors to the Cause: Salem Poor US #1561 10c Contributors to the Cause: Haym Salomon US #1562 10c Contributors to the Cause: Peter Francisco US #1563 10c Battle of Lexington and Concord US #1564 10c Battle of Bunker Hill US #1565 10c US Military Uniforms: Continental Army US #1566 10c US Military Uniforms: Continental Navy US #1567 10c US Military Uniforms: Continental Marines US #1568 10c US Military Uniforms: Continental Militia US #1569 10c Apollo Soyuz Space Mission: After Link Up US #1570 10c Apollo Soyuz Space Mission: Before Link Up US #1571 10c International Women's Year US #1572 10c US Postal Services Bicentennial: Stagecoach and Tractor Trailer US #1573 10c US Postal Services Bicentennial: Locomotives US #1574 10c US Postal Services Bicentennial: Airplanes US #1575 10c US Postal Services Bicentennial: Satelites US #1576 10c World Peace Through Law US # 1577 10c Banking and Commerce: Silver Dollar US #1578 10c Banking and Commerce: Gold Piece US #1579 10c Traditional Christmas: Madonna and Child US #1580 10c Contemporary Christmas: Christmas Card