Sower Postage Stamp Appraisals

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

Canada Postage Stamp

Belgium 10c Coat of Arms Postage Stamp

Collection of Australian and New Zealand Postage Stamps

United States 5 Cents James Monroe Postage Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

Guadeloupe Postage Stamp (Likely 2 Francs)

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

Australian 1 Penny King George V Postage Stamp

Czechoslovakian 20 Haleru Postage Stamp

4 Dollar Purple Stamp

Belgian 1c Postage Stamp with Coat of Arms

Idaho Statehood 50th Anniversary U.S. Postage 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)

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

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

German Postage Stamp

Collection of United States Commemorative Postage Stamps

German Inflation Period Postage Stamp (75 Tausend Mark)

Philippine Postage Stamp

Bolivia 5 Cts II Congreso Eucaristico Nacional Airmail Postage Stamp

United States Flag Stamp

Canada 7-Cent Stamp

Danish 70 Øre Stamp

Canadian Maple Leaf Postage Stamp

Chilean Definitive Series Postage Stamp - 30 Centavos

Triangular "CORREOS DE BOLIVIA" Stamp

German Reich 100 Mark Postage Stamp (1923 Inflation Period)

Frank Lloyd Wright Postage Stamps

King George V India Postage Burma One Anna Stamp

Thai Postage Stamp

Canadian Postage Stamp

William Penn 3 Cents Postage Stamp (1932 Issue)

Dominican Republic 'Primera Madre' Postage Stamp

Guatemalan Postage Stamp featuring a Mayan Calendar

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