1926 Us Postal Cover With 1 Cent Franklin Stamp Appraisals

Transpacific Airmail Stamp 1935

U.S. Post Office Department Registry Bill, Form No. 1550

Five Dollar Stamp with Taiwanese Flag

1930 Charleston, South Carolina 250th Anniversary Stamp

Edward W. Scudder, Class of 1903 Mailed Envelope

Thomas Paine Stamp

Mexico 1940 Centenario del Primer Timbre Postal Overprint Stamp

Robert Millikan Commemorative Stamp

Australia 1960 Melbourne Cup Centenary 5d Postage Stamps Strip

Orville and Wilbur Wright Stamp

Used Belgian King Leopold I 10 Centimes Stamp

USPS Forever Stamp - Cardinal on Pine Branch

Ernest J. Gaines 'Black Heritage' Forever Stamp

Ecuador 1939 'Mision Dolores' Golden Gate International Exposition Stamp

Ecuador 2 Centavos Airmail Stamp, Golden Gate International Exposition 1939

Newfoundland Postage Stamps Collection (1857-1908)

1885 U.S. Postal Registry Bill with Multiple Postmarks

1944 Wheat Penny without Mint Mark

1959-D Lincoln Cent with Potential Doubled Die Error

Austria DeutschØsterreich 10 Heller Stamp, Eagle with Floral Motif

Argentine Republic 5 Centavos Stamp, 1915 issue, with Postmark

Antigua 1876 5 Centavos Postage Stamp with Face of Bolivar

Fragment of an Oil Painting Depicting a Female Figure in a Head Covering

Denmark 50 Ore Stamp with King Christian X Portrait, Postmarked 1919-1920s

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