Russian Empire 50 Kopecks Postage Stamp With Inverted Center Appraisals

Canada 7-Cent Stamp

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

25 Cent Abraham Lincoln Air Mail Stamp

United States 5 Cents Postage Due Stamp

Liberia 25 Cents Republic Postage Stamp with Water Buffalo

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

1934 Mother's Day Three Cents U.S. Postage Stamp (Scott #737)

James Fenimore Cooper 2 Cents US Postage Stamp

Liberia 1 Cent Postage Stamp (Clock Tower and Palm Trees)

30 Cents Theodore Roosevelt US Postage Stamp (1922-1926 Series)

United States 25 Cent William McKinley Postage Stamp (Series 1922-1938)

United States 3 Cents Postage Stamp with George Washington Profile

4-Cent Abraham Lincoln Postage Stamp

United States 3 Cents Postage Stamp, Robert Louis Stevenson

Canada 1 Cent Postage Stamp

Canada 20 Cents Postage Stamp, Fort Chambly Issue

4¢ Abraham Lincoln Postage Stamp

Liberia 2 Cents Postage Stamp (Architectural Motif)

James Buchanan 15 Cents United States Postage Stamp

1932 Los Angeles Olympics 3 Cents Postage Stamp

1959 4-Cent United States Postage Flag Stamp

James Russell Lowell 3 Cents US Postage Stamp

Byrd Antarctic Expedition II 3 Cents U.S. Postage Stamp

4 Cents William Howard Taft US Postage Stamp

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

Canada 35 Stamp

1932 Los Angeles Olympics 3 Cents US Postage Stamp

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

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

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

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

United States 3-Cent Admiral Farragut and Admiral Porter Postage Stamp

US Postage Stamp - Sherman, Grant, Sheridan (3 Cents)

Claire Chennault 'Flying Tigers, 1940s' USA 40-cent Postage Stamps

United States 5-cent Daniel Chester French Postage Stamp

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

United States 5 Cents James Monroe Postage Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

Jane Addams 10c United States Postage Stamp

Confederate States Five Cents Postage Stamp (Jefferson Davis)