3 Cents Canal Zone Postage Stamp Featuring Goethals Appraisals

Chinese Stamp Featuring Bamboo

29 Cent USA Tulip Postage Stamp

Austria 3 Schilling Stamp (Republic Series)

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

German Mother and Child Stamp, 'Deutsches Reich' (3 Pfennig)

Guatemala 3 Centavos Quetzal Stamp

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

Canada 1 Cent Postage Stamp

United States John James Audubon 1-cent Postage Stamp

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

Alexander Graham Bell 10-cent US Postage Stamp

1940 10-Cent Mark Twain Commemorative Postage Stamp

United States 5-cent Daniel Chester French Postage Stamp

4-Cent Abraham Lincoln Postage Stamp

Guatemalan Postage Stamp featuring a Mayan Calendar

5 Cent Elias Howe US Postage Stamp (Used)

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

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

Republic of China Postage Stamp featuring Sun Yat-sen

United States 12 Cents Zachary Taylor Postage Stamp

1959 4-Cent United States Postage Flag Stamp

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

5 Cent Frances E. Willard US Postage Stamp

Austrian "Oesterreich" Postage Stamp featuring a smiling man in traditional attire

10 Cent Thomas Jefferson Stamp

USA 2 Cent Stamp

Czechoslovakian Postage Stamp featuring Tom%C3%A1%C5%A1 Garrigue Masaryk (1 K%C4%8D%C4%8D)

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

U.S. Special Delivery Postage Stamp, 10 Cents

Nederlandsch-Indie 1 Cent Postage Stamp

Republic of China Postage Stamp featuring Sun Yat-sen (2 Fen)

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

German Postage Stamp, 5 Reichspfennig, Featuring Friedrich Schiller

Tadeusz Kościuszko U.S. Postage Stamp, 5 Cents

Dutch Stamp 65ct

United States 10 Cents Parcel Post Official Stamp, Type PR85

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

Elias Howe 5-cent US Postage Stamp

Canada 5-cent Wild Flower Stamp

Canada 17 Postage Stamp