3 Cents Canal Zone Postage Stamp Featuring Goethals Appraisals

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

1932 Los Angeles Olympics 5 Cents Stamp

Used '10' Denomination Postage Stamp with Circular Postmark

USA 25 Cent Saw-whet Owl Postage Stamp

1 Cent Green George Washington Stamp

Australian 7 Cent Stamp

Czechoslovakian 2.50 Koruny Stamp featuring Praška

4¢ Abraham Lincoln Postage Stamp

Netherlands 15 Cent Stamp

Republic of China Postage Stamp featuring Sun Yat-sen (5 centavos)

Cayman Islands 1d Postage & Revenue Stamp featuring Booby Birds and King George V

Czechoslovakian 1Kć Stamp featuring Jan Evangelista Purkynė

21 cent United States Air Mail Stamp

Used U.S. Parcel Post 10 Cents Stamp with "ANN" Overprint

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

10 Cent Jefferson Memorial Stamp

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

31 Pence Stamp Featuring a Portrait

1 Cent George Washington Stamp

Stamp featuring the Flag of the Republic of China

Jane Addams 10c United States Postage Stamp

10 Cent Jefferson Memorial Stamp

Two-Cent Red Stamp

10 Cent Jefferson Memorial Stamp

United States 15 Cent Special Delivery Stamp

10-Cent Stamp

United States 2 Cent George Washington 'Carmine Type I' Postage Stamp (1890-1893)

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

Dutch East Indies 2 1/2 Cent Postage Stamp (Elephant and Rider)

South Korean Stamp Featuring Traditional Pot

Italian Colonial Stamp for Ethiopia featuring Victor Emmanuel III

90 Cent Stamp of Queen Juliana of the Netherlands

Canada 10 Cent Stamp

1929 2-cent Battle of Fallen Timbers Commemorative Stamp

5 Cent Canada Stamp (Bucket Show)

U.S. 2-Cent Civil War Era Stamp

United States 10 Cents Special Delivery Stamp, Type of 1922-1925

Curacao 15 Cent Luftpost Airmail Stamp

Republic of Korea Postal Stamp featuring a Celadon Vase

Eisenhower 6-Cent Stamp