Overprint Stamp Appraisals

United States 1 Cent Postage Stamp with George Washington Portrait

5 Cent Elias Howe US Postage Stamp (Used)

Samuel F. B. Morse U.S. Postage Stamp, 2 Cents (Red)

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

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

Korean Stamp featuring Traditional Pottery

25 Centimos Stamp from Spain

Indian Mango Stamp

British 14p Blue Queen Elizabeth II Stamp

Costa Rican 10c Airmail Stamp, 1937 National Exposition Issue

US 2-Cent George Washington Postal Stamp on Cover

Great Britain Victoria Halfpenny Postage & Revenue Stamp (Green)

Indian Commemorative Stamp

Srodkowa Litwa 25 Fenigów Postage Stamp

Bulgarian 1 Leva Postage Stamp with Tsar Boris III

Republica Argentina 15 Centavos 'Ganadería' Postage Stamp

United States 15 Cent Special Delivery Stamp

1931 India Stamp

Canadian 50-Cent Postage Stamp

Netherlands 140c Stamp

Australian 2 Pence 'Kangaroo and Map' Postage Stamp (King George V)

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

United States 3 Cents Postage Stamp (George Washington)

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

Canada 1 Cent Postage Stamp

James Buchanan 15 Cents United States Postage Stamp

International Year of the Child Stamp

Czechoslovakian 20 Halero Postage Stamp

Argentine Republic Postage Stamp (Manuel Belgrano)

1979 International Year of the Child Stamp

Canadian Red Cross Stamp

Polish Commemorative Stamp

Canadian Maple Leaf Stamp

Golden Gate International Exposition Postage Stamp (1939)

5 Cent Frances E. Willard US Postage Stamp

Swiss 'Clara Bär' Commemorative Postage Stamp

Orville and Wilbur Wright Stamp

Corrios de Colombia 5 Cincocentavos Cafe Suave Stamp

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

Great Britain 1s Green (Scott # 177) Stamp