Sower Postage Stamp Appraisals

Srodkowa Litwa 25 Fenigów Postage Stamp

Republica Argentina 15 Centavos 'Ganadería' Postage Stamp

Collection of Vintage US Postage Stamps

Collection of Vintage Australian Postage Stamps

Daniel Webster US Postage Stamp, 3 Cents

Czechoslovakia 50 Heller Postage Stamp (Chained Lion)

U.S. Postage Stamp Centenary (1847-1947) 3-Cent Stamp

Czechoslovakian Postage Stamp - 1 Koruna with Portrait of T. G. Masaryk

1932 Los Angeles Olympics 3 Cents US Postage Stamp

1 Kr Norges Post Stamp

Collection of German and Danzig Postage Stamps

Danish Stamp (2.80 Kr)

James Buchanan 15 Cents United States Postage Stamp

United States 3 Cents Postage Stamp (George Washington)

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

Canadian 4 Cent Postage Stamp

Thai Postage Stamp

Jacques Cartier 75c Postage Stamp

1951 Canada 4-Cent Princess Elizabeth and Duke of Edinburgh Postage Stamp

Canadian Stamp

French "Niale" Overprint Postage Stamp

British Penny Red Postage Stamp with Maltese Cross Cancellation

German Beethoven 8 Pfennig Postage Stamp

US Flag Commemorative Stamp

Vintage Postage Stamp featuring S.S. America

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

Thai Postage Stamp

Great Britain Victoria Halfpenny Postage & Revenue Stamp (Green)

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

Australian 1 Penny King George V Postage Stamp

United States 5 Cents Postage Due Stamp

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)