United States John James Audubon 1 Cent Postage Stamp Appraisals

United States 15 Cent Special Delivery Stamp

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

United States 3 Cents Postage Stamp with George Washington Profile

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

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

United States 3-Cent Admiral Farragut and Admiral Porter Postage Stamp

United States 2 Cents Postage Stamp (Statue of Liberty)

United States 3 Cents Postage Stamp (George Washington)

United States 3 Cents Postage Stamp Design

United States Army and Navy For Defense 2 Cents Postage Stamp

Canada 1 Cent Postage Stamp

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

US Postage Stamp: West Point - United States Military Academy

United States 5 Cents Pilgrim Tercentenary Stamp

United States 12 Cents Zachary Taylor Postage Stamp

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

US Postage 1-cent Stamp with George Washington's Profile

United States 3 Cents Postage Stamp, Robert Louis Stevenson

James Russell Lowell 3 Cents US Postage Stamp

Miscellaneous United States Postage Stamps

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

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

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp

United States Capitol Building Postage Stamp

United States 3 Cents Postage Cancellation Mark

James Fenimore Cooper 2 Cents US Postage Stamp

U.S. Postage John Ericsson Memorial 5 Cents Stamp

Collection of Assorted Used and Unused United States Postage Stamps

1 Cent Green George Washington Stamp

Collection of United States Commemorative Postage Stamps

2 Cents John Adams US Postage Stamp

United States 1934 National Parks Issue, 3-cent Grand Canyon

United States Postage Stamps 100th Anniversary Commemorative Card

United States 4-cent Civil War Generals Commemorative Stamp

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

1939 Golden Gate International Exposition United States Postage Stamp

Collection of 1960s United States Commemorative Postage Stamps (Eight Stamps)

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

Confederate States Five Cents Postage Stamp (Jefferson Davis)

United States Flag Stamp