15 Cent Stamp Appraisals

1940 10-Cent Mark Twain Commemorative Postage Stamp

U.S. Postage 3 Cent 'Gardening Horticulture' Stamp (1958)

Hong Kong 90 Cent Stamp

3-Cent George Washington Bicentennial Postage Stamp

1 Cent 'For Defense' US Postage Stamp, Scott #898

1862 9-Cent Revenue Stamp

4-cent Abraham Lincoln Postage Stamp

1 Cent Benjamin Franklin Stamp

Canada 10 Cent Stamp

1937 Northwest Territory Sesquicentennial 3-Cent Stamp

1940 Coronado Expedition 3-Cent Commemorative Stamp

1 Cent Green George Washington Stamp

U.S. Postage 'To The Fine Arts' 5-cent Stamp (1962)

Kenya, Uganda, Tanganyika 1 Cent Stamp featuring King George VI

Elias Howe 5-cent US Postage Stamp

Canadian 3-cent Postage Stamp

U.S. Postage 3 Cent Horticulture Stamp

Canada 5-cent Wild Flower Stamp

Pan-American Union 50th Anniversary 3-Cent US Postage Stamp

4-Cent Abraham Lincoln Postage Stamp

Andrew Jackson 1-cent US Postage Stamp

Canadian 4 Cent Postage Stamp

Inverted 1 Cent United States Postage Due Stamp

United States 3 Cents Postage Stamp (George Washington)

1959 4-Cent United States Postage Flag Stamp

Alexander Graham Bell 10-cent US Postage Stamp

United States 3 Cents Postage Stamp (George Washington)

Queen Wilhelmina of the Netherlands Indies 20 Cent Stamp

10-Cent Stamp

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp

25 Cent Abraham Lincoln Air Mail Stamp

United States John James Audubon 1-cent Postage Stamp

5 Cent Canada Stamp (Bucket Show)

British Guiana 1 Cent George VI 'Ploughing a Rice Field' Stamp

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

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

21 cent United States Air Mail Stamp

U.S. Postage Stamp: 'To the Fine Arts' 5-Cent

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

United States 1½ Cents Martha Washington Postage Stamp