Greek 30 Lepta Hermes Head Postage Stamp Used Appraisals

United States Capitol Building Postage Stamp

James Fenimore Cooper 2 Cents US Postage Stamp

United States 2-Cent Washington Bicentennial Postage Stamp (1932)

Eugene O'Neill Commemorative Stamp

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

3 Cents Canal Zone Postage Stamp featuring Goethals

U.S. Postage John Ericsson Memorial 5 Cents Stamp

United States 3 Cents Postage Stamp Design

U.S. 3-Cent 'Liberty' Postage Stamps (Block of Two)

U.S. Postage Stamp Centenary (1847-1947) 3-Cent Stamp

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

Wright Brothers Airmail Stamp

1-cent Gilbert Charles Stuart U.S. Postage Stamp

United States 3 Cents Postage Stamp, Robert Louis Stevenson

United States 1938 The States Ratify The Constitution 3 Cent Postage Stamp

US Flag Commemorative Stamp

1940 10-Cent Mark Twain Commemorative Postage Stamp

Thomas Paine Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

1892 United States 2-Cent 'Landing of Columbus' Columbian Exposition Postage Stamp

United States 2 Cents Postage Stamp (George Washington Silhouette)

United States 1 Cent Postage Stamp with George Washington Portrait

1 Cent US Postage Stamp, John Paul Jones and Isaac Hull

1934 Mother's Day Three Cents U.S. Postage Stamp (Scott #737)

Iowa Territorial Centennial Postage Stamp

Robert Milikan Postage Stamp

Frank Lloyd Wright Postage Stamps

Rhode Island Tercentenary Postage Stamp (1936)

Samuel F. B. Morse U.S. Postage Stamp, 2 Cents (Red)

United States 5-cent Daniel Chester French Postage Stamp

4-cent Abraham Lincoln Postage Stamp

US 3 Cent NATO Commemorative Postage Stamps (1952)

Eisenhower Postage Stamp

United States 3-Cent Admiral Farragut and Admiral Porter Postage Stamp

1 Cent Benjamin Franklin Stamp

Collection of Early-to-Mid 20th Century Revenue and Definitive Postage Stamps

1937 French Bicentennial of U.S. Constitution Postage Stamp

Golden Gate International Exposition Postage Stamp (1939)

Great Britain Victoria Halfpenny Postage & Revenue Stamp (Green)

2 Penny Stamp