1940 10 Cent Mark Twain Commemorative Postage Stamp Appraisals

Byrd Antarctic Expedition II 3 Cents U.S. Postage Stamp

United States 2 Cent George Washington 'Carmine Type I' Postage Stamp (1890-1893)

U.S. 2-Cent Civil War Era Stamp

Theodore Roosevelt 30 Cents US Postage Stamp

United States 5 Cents James Monroe Postage Stamp

1 Cent Benjamin Franklin Stamp

US Postage Stamp - Sherman, Grant, Sheridan (3 Cents)

Iowa Territorial Centennial Postage Stamp

Golden Gate International Exposition Postage Stamp (1939)

William Penn 3 Cents Postage Stamp (1932 Issue)

Liberian Commemorative Stamp

Commemorative Stamp

Used United States 6 Cents John Quincy Adams Postage Stamp

Eisenhower Postage Stamp

Chinese Commemorative Stamp

Confederate States Five Cents Postage Stamp (Jefferson Davis)

USA 3-Cent Conestoga Wagon 1800s Postage Stamps Block of Four

Commemorative Stamp

Korean Postage Stamp

Belgium 1934 'BRUXELLES' Overprint Postage Stamp

Boulder Dam - 1935 U.S. Postage Stamp

United States 12 Cents Zachary Taylor Postage Stamp

Soviet Union Commemorative Stamp

Eugene O'Neill Commemorative Stamp

Woodrow Wilson $1 United States Postage Stamp

Azerbaijan Democratic Republic Soldier Stamp (10 Rubles)

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

25 Cent Abraham Lincoln Air Mail Stamp

Soviet Commemorative Stamp

USSR 1980 Postage Stamp - Jean Auguste Dominique Ingres (Self-Portrait with Vénus Anadyomène)

LOVE Stamp (45 cents)

5 Cent Canada Stamp (Bucket Show)

Canadian Postage Stamp

7 Cent Australian Stamp

US 2-Cent George Washington Postal Stamp on Cover

Commemorative Stamp

Australia 3c Jellyfish Stamp

Wright Brothers Commemorative Stamp

Spanish 1 PTA Postage Stamp

Christmas Stamp, 15c