75th Anniversary Of The 13th Amendment Commemorative Postage Stamp Appraisals

Soviet Commemorative Stamp

Alexander Graham Bell 10-cent US Postage Stamp

Canadian Postage Stamp

Commemorative Stamp

Wright Brothers Commemorative Stamp

Spanish 1 PTA Postage Stamp

U.S. Postage John Ericsson Memorial 5 Cents Stamp

Bohemia and Moravia 50th Anniversary Triangular Stamp

John Dewey Commemorative Stamp

United States Flag Stamp

Amadeo P. Giannini Commemorative Stamp

1932 Los Angeles Olympics 3 Cents Postage Stamp

Commemorative Stamp Sheet

1959 4-Cent United States Postage Flag Stamp

Thai Postage Stamp

Eisenhower Postage Stamps

5 Cents Walt Whitman United States Postage Stamp

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

Jose de San Martin Postage Stamp, Argentina

1932 Los Angeles Olympics 3 Cents US Postage Stamp

Robert Millikan Commemorative Stamp

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

5 Cent Frances E. Willard US Postage Stamp

1929 2-cent Battle of Fallen Timbers Commemorative Stamp

James Russell Lowell 3 Cents US Postage Stamp

Frank Lloyd Wright Postage Stamps

Commemorative Stamp of South Korea

4 Cents William Howard Taft US Postage Stamp

20p Queen Elizabeth II Stamp

USSR 1980 Postage Stamp - Jean Auguste Dominique Ingres (Self-Portrait with Vénus Anadyomène)

International Year of the Child Stamp

1940 Coronado Expedition 3-Cent Commemorative Stamp

United States 5 Cents Pilgrim Tercentenary Stamp

Harry Hawker Commemorative Stamp

1939 New York World's Fair 3 Cent Postage Stamp

Indian Service Stamp 100

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

George Washington 250th Anniversary 22kt Gold Replica Stamp First Day Cover

United States 1938 The States Ratify The Constitution 3 Cent Postage Stamp

10-Cent Stamp