Pan American Union 50th Anniversary 3 Cent Us Postage Stamp Appraisals

Oliver Wendell Holmes Stamp

John Dewey Commemorative Stamp

United States 10 Cents Parcel Post Official Stamp, Type PR85

Robert Milikan Postage Stamp

US Air Mail Stamp

Vintage U.S. Postage Stamps

Collection of Assorted Used and Unused United States Postage Stamps

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

United States 1937 Army Issue Stamp (Lee/Jackson)

Eugene O'Neill Commemorative Stamp

Rochambeau Stamp

Thomas Jefferson Memorial Stamp

Eisenhower Postage Stamps

Thomas Paine Stamp

1932 Los Angeles Olympics 5 Cents Stamp

George Washington Bicentennial Stamps

Thomas Paine Stamp

Robert Millikan Commemorative Stamp

Bohemia and Moravia 50th Anniversary Triangular Stamp

50 Cent US Postal Stamp

Stamps of the Soviet Union

1926 U.S. Postal Cover with 1-Cent Franklin Stamp

Soviet Union Commemorative Stamp

Soviet Air Mail Stamp

Christmas Stamp, 15c

Chile 30 Centavos Postage Stamp (José Manuel Balmaceda)

Canada 35 Stamp

10 Cent Stamp: People's Right to Petition for Redress

Liberty Bell Commemorative Stamp

Soviet-Era Automobile Postage Stamp Collection in Album

Postmarked Envelope with Bicentennial Stamp

Robert Milikan Commemorative Stamp

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

LOVE Stamp (45 cents)

French Ceres Stamp, 10 Centimes, Used

Chilean Definitive Series Postage Stamp - 30 Centavos

USA 45-cent Pumpkinseed Sunfish postage stamp

Chile 1934 Airmail 60 Centavos Stamp

USA 25 Cent Saw-whet Owl Postage Stamp

Bolivia 50 Centavos Postage Stamp (Likely 1901-1904 Issue)