French 15 Centimes Sower Postage Stamp Appraisals

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)

Collection of United States Commemorative Postage Stamps

German Postage Stamp

German Inflation Period Postage Stamp (75 Tausend Mark)

Hungary 50 Korona Stamp

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

Bolivia 5 Cts II Congreso Eucaristico Nacional Airmail Postage Stamp

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

Danish 70 Øre Stamp

Perforated Postage Stamp with Numerical and Character Markings

German Reich 100 Mark Postage Stamp (1923 Inflation Period)

Philippine Postage Stamp

United States Flag Stamp

Canada 7-Cent Stamp

Chilean Definitive Series Postage Stamp - 30 Centavos

Triangular "CORREOS DE BOLIVIA" Stamp

Canadian Maple Leaf Postage Stamp

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

King George V India Postage Stamp

King George V India Postage Burma One Anna Stamp

Thai Postage Stamp

Canadian Postage Stamp

Dominican Republic 'Primera Madre' Postage Stamp

Austrian "Imperial Royal" 60 Heller Postage Stamp (1916 Jubilee Issue)

Netherlands Postage Stamp

Czechoslovakian 20 Haleru Postage Stamp

Chile 30 Centavos Postage Stamp (José Manuel Balmaceda)

1939 Golden Gate International Exposition United States Postage Stamp

King George V Halfpenny Postage and Revenue Stamp

Croatian "HRVOJE" Airmail Stamp (1943 issue)

Collection of 1960s United States Commemorative Postage Stamps (Eight Stamps)