German Stamp 50 Million Appraisals

4-Cent Abraham Lincoln Postage Stamp

King George VI Postage and Revenue Stamp (1d)

Sino-American Friendship Commemorative Stamp (5 Fen)

Bulgarian Rabbit Themed Postage Stamp, 10 Stotinki

Theodore Roosevelt 30 Cents US Postage Stamp

French Postage Stamp (Sower Type, 1f50c, Pasteur)

Chilean Definitive Series Postage Stamp - 30 Centavos

Triangular "CORREOS DE BOLIVIA" Stamp

Austrian 5 Heller Revenue Stamp

Irish 3d Blue Stamp

New Zealand 4 Dollar Stamp

Centenaire Philippeville Postage Stamp (1838-1938), Algeria

Austrian 3 Heller Stamp with Empress Elisabeth

5d Blue Queen Elizabeth II Stamp

1 Cent Green George Washington Stamp

Eugene O'Neill Commemorative Stamp

U.S. Postage Stamp: 'To the Fine Arts' 5-Cent

Free French Forces 1944 Resistance Stamp (10 centimes)

Netherlands Postage Stamp

Czechoslovakian Stamp Depicting a Horse

Cayman Islands 1d Postage & Revenue Stamp featuring Booby Birds and King George V

Hungary 20 Filler Stamp, Agricultural Scene

1975 North Korean Stamp

Netherlands 15 Cent Stamp

Polish Stamp

Polish Commemorative Stamp

Danish Stamp

Italian 2000 Lira Stamp

1 Kr Norges Post Stamp

Australian Star Sapphire Stamp

Australian Wombat Stamp

South Korean Stamp Featuring Traditional Pot

Used 1 Yen Japan Postage Stamp, Sunburst Design

Hong Kong Elizabeth II 'The University of Hong Kong' Commemorative Stamp (1841-1941)

James Russell Lowell 3 Cents US Postage Stamp

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp

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

"Fast Express" 2-Cent United States Postage Stamp

25 Cent Abraham Lincoln Air Mail Stamp

Used 2 Pence Queen Victoria Postage and Revenue Stamp