Sheridan Stamp Appraisals

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

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

British 1 Penny Stamp (I.P.)

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

Canada Stamp - Royal Canadian Henley Regatta

Barbados Neptune with Trident Stamp, 1/4d Denomination

Freedom to Speak Out Stamp

Czechoslovakia 1 Koruna Postage Due Stamp

Australia 1940 1d Postage Stamp, King George VI (Postmarked)

James Fenimore Cooper 2 Cents US Postage Stamp

United States 12 Cents Zachary Taylor Postage Stamp

Abraham Lincoln 3 Cents US Postage Stamp

Harry Hawker Commemorative Stamp

United States 5-cent Postage Stamp, Woodrow Wilson

4d Koala Stamp

Bhutan 1 Nu. Postage Stamp Strip - Transport Theme (SUV and Airplane)

Soviet Commemorative Stamp

U.S. Special Delivery Postage Stamp, 10 Cents

United States 2 Cents Postage Stamp (George Washington Silhouette)

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

5 Paise Stamp

Canada Postal Stamp

Singapore 50c Caravel Stamp

Australia Day 1989 Stamp

25 Centimos Stamp from Spain

Blinky Bill Stamp

British 14p Blue Queen Elizabeth II Stamp

US 2-Cent George Washington Postal Stamp on Cover

United States 10 Cents John Tyler Postage Stamp

Thai Postage Stamp

Indian Commemorative Stamp

United States 3-Cent Thomas Jefferson Postage Stamp

Bulgarian Post 60th Anniversary Stamp (1 Leva)

Bulgarian 1 Leva Postage Stamp with Tsar Boris III

Republica Argentina 15 Centavos 'Ganadería' Postage Stamp