Hungarian Postage Stamp With Postmark Appraisals

Thai Postage Stamp

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

United States 5 Cents James Monroe Postage Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

British Penny Red Postage Stamp with Maltese Cross Cancellation

German Beethoven 8 Pfennig Postage Stamp

US Flag Commemorative Stamp

US Postage 1-cent Stamp with George Washington's Profile

Vintage Postage Stamp featuring S.S. America

Australian 1 Penny King George V Postage Stamp

Indian 2 Annas Postage & Revenue Stamp (King George V)

Collection of United States Commemorative Postage Stamps

Czechoslovakian 20 Haleru Postage Stamp

4 Dollar Purple Stamp

King George V 1 1/2d Halfpenny Postage Stamp

United States 2 Cents Postage Stamp (George Washington Silhouette)

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)

Thai Postage Stamp

Great Britain Victoria Halfpenny Postage & Revenue Stamp (Green)

German Postage Stamp

United States 5 Cents Postage Due Stamp

Cochin Anchal 6 Pies Postage Stamp (Overprint)

German Inflation Period Postage Stamp (75 Tausend Mark)

Bolivia 5 Cts II Congreso Eucaristico Nacional Airmail Postage Stamp

Collection of Australian and New Zealand Postage Stamps

Danish 70 Øre Stamp

Japanese Stamp featuring Camellia Flower

Canada Postage Stamp

Belgium 10c Coat of Arms Postage Stamp

German Reich 100 Mark Postage Stamp (1923 Inflation Period)

Guadeloupe Postage Stamp (Likely 2 Francs)

William Penn 3 Cents Postage Stamp (1932 Issue)

Guatemalan Postage Stamp featuring a Mayan Calendar

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

United States 3 Cents Postage Stamp, Robert Louis Stevenson

Belgian 1c Postage Stamp with Coat of Arms

Idaho Statehood 50th Anniversary U.S. Postage Stamp

United States 1938 The States Ratify The Constitution 3 Cent Postage Stamp