German Stamp 50 Million Appraisals

U.S. Special Delivery Postage Stamp, 10 Cents

United States 2 Cents Postage Stamp (George Washington Silhouette)

United States 1 Cent Postage Stamp with George Washington Portrait

5 Cent Elias Howe US Postage Stamp (Used)

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

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

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

Korean Stamp featuring Traditional Pottery

French Postage Stamp, 2 Francs, Landscape with Town and River

British Guiana 4c Magenta Stamp

Thomas Paine Stamp

25 Centimos Stamp from Spain

Canada 7-Cent Stamp

Costa Rica 2 Centimos Airmail Stamp

90 Fils Stamp of United Arab Emirates

Italian Post 1 Centesimi Stamp

Father Mathew Centenary Irish Stamp

British 14p Blue Queen Elizabeth II Stamp

Japan 2 Sen Prefecture Issue Stamp (Japanese Temple)

US 2-Cent George Washington Postal Stamp on Cover

Lithuanian 4 Aušra Stamp featuring a Man Sowing

Indian Postage Stamp depicting a monarch, possibly King George V

King George VI 1½d Postage Stamp

Indian Commemorative Stamp

Republic of China Junk Ship Postage Stamp

Italian 20 Centesimi Postage Due Stamp (Fleur de Lys design)

Mexico 1942 Observatorio Astrofísico de Tonanzintla with Orion Nebula Stamp

Used India Queen Victoria Postage Stamp, 3 Annas

Mexico 1940 Campeche 4th Centenary 10 Centavos Postage Stamp

Jamaica 1919 'Return of a Contingent' 2½d Postage & Revenue Stamp

Srodkowa Litwa 25 Fenigów Postage Stamp

Republica Argentina 15 Centavos 'Ganadería' Postage Stamp

Bulgarian 1 Leva Postage Stamp with Tsar Boris III

Netherlands 140c Stamp

Ivory Coast French West Africa 'Mosquee de Bobo-Dioulasso' Stamp

Dutch East Indies 2 1/2 Cent Postage Stamp (Elephant and Rider)

Fiji 1d Postage Stamp with King George VI and Village Scene

United States 3 Cents Postage Stamp (George Washington)

Canada 1 Cent Postage Stamp

United States 25 Cent William McKinley Postage Stamp (Series 1922-1938)