1928 Mexico 10 Centavos Postal Stamp Appraisals

United States 1 Cent Postage Stamp with George Washington Portrait

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

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

Greek Postage Stamp - Apostle Paul at Areopagus

United States 5 Cents James Monroe Postage Stamp

German and Bavarian Official Postage Stamps Album Page

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

Malta 1/4d Postage & Revenue Stamp

Bolivia 5 Cts II Congreso Eucaristico Nacional Airmail Postage Stamp

Hungary 50 Korona Stamp

King George V Halfpenny Postage and Revenue Stamp

Croatian "HRVOJE" Airmail Stamp (1943 issue)

Mauritania 15c Postage Stamp 'A.E.F. Camel and Rider' Series

Aboriginal Culture Stamp

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

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

Brown Vignette Postage Stamp with Ship Scene

Eisenhower Postage Stamps

Guatemalan Postage Stamp featuring a Mayan Calendar

Canada 1 Cent Postage Stamp

Canada Postage Stamp

Queen Elizabeth II 2d Postage Stamp

United States Stamp Collection

United States 6 Cents Postage Stamp (President Garfield)

Dominican Republic 'Primera Madre' Postage Stamp

Postage Stamp: Morocco Agencies, King George VI & Queen Elizabeth, 12 May 1937

United States 3 Cents Postage Stamp, Robert Louis Stevenson

Jose de San Martin Postage Stamp, Argentina

Austrian Postage Stamp with St. Pölten Cancellation

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

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

1939 Golden Gate International Exposition United States Postage Stamp

90 Fils Stamp of United Arab Emirates

Ecuadoran Airmail Stamp - U.S. Constitution Sesquicentennial

50p Queen Elizabeth II Postage Stamps

Two-Cent Red Stamp

Bohemia and Moravia 50h 'Sunburst' Triangular Postage Stamp

Collection of Vintage British Postage Stamps

Hungarian 1.20Ft Airmail Postage Stamp with Building Motif

Mozambique 1/4 C. Portuguese Republic Postage Stamp