1940 10 Cent Mark Twain Commemorative Postage Stamp Appraisals

Used 12 Cents US Postage Stamp

21 cent United States Air Mail Stamp

USA 'Omnibus 1880s' 1-Cent Postage Stamps (Strip of 3)

Abraham Lincoln 3 Cents US Postage Stamp

US Flag Commemorative Stamp

1 Cent George Washington Stamp

Used U.S. Air Mail 6 Cent Stamp with Beacon Design

USA 25 Cent Saw-whet Owl Postage Stamp

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

Daniel Webster US Postage Stamp, 3 Cents

United States 3 Cents Postage Stamp, Robert Louis Stevenson

50 Paisa Postage Stamp

75th Anniversary of the 13th Amendment Commemorative Postage Stamp

Sverige 1941 'Viking Ship' Postage Stamp

United States 3 Cents Postage Stamp Design

Canada 3-Cent Stamp

Louisa May Alcott 5 Cents United States Postage Stamp

United States Army and Navy For Defense 2 Cents Postage Stamp

Austria DeutschØsterreich 10 Heller Stamp, Eagle with Floral Motif

Frank Lloyd Wright Postage Stamp

United States 2 Cents Postage Due Stamps (Block of Two)

Netherlands 15 Cent Stamp

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

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

United States 2 Cents Postage Stamp (Statue of Liberty)

Victor Herbert 3¢ US Postage Stamp

United States 5 Cents Postage Due Stamp

James Fenimore Cooper 2 Cents US Postage Stamp

Polish Commemorative Stamp

Polish 10 Zloty Postal Stamp featuring Józef Piłsudski

90 Cent Stamp of Queen Juliana of the Netherlands

Two-Cent Red Stamp

US 3-Cent George Washington Postal Stamp

United States Postage Stamps 100th Anniversary Commemorative Card

James Buchanan 15 Cents United States Postage Stamp

United States 4 Cents Defense Stamp

United States 15 Cent Special Delivery Stamp

Ralph Waldo Emerson 3 Cents United States Postage Stamp

Rhode Island Tercentenary Postage Stamp (1936)

2 Cent 1890-93 George Washington Postage Stamp (Series Issue)