Alexander Graham Bell 10 Cent Us Postage Stamp Appraisals

United States 15 Cent Special Delivery Stamp

U.S. Postage John Ericsson Memorial 5 Cents Stamp

United States 3 Cents Postage Stamp Design

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

Ralph Waldo Emerson 3 Cents United States Postage Stamp

United States Army and Navy For Defense 2 Cents Postage Stamp

Used United States 6 Cents John Quincy Adams Postage Stamp

US 2-Cent George Washington Postal Stamp on Cover

4-Cent Abraham Lincoln Postage Stamp

1959 4-Cent United States Postage Flag Stamp

United States 1 Cent Commemorative Stamp (Washington - Greene, Mount Vernon)

Louisa May Alcott 5 Cents United States Postage Stamp

United States 12 Cents Zachary Taylor Postage Stamp

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

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

1940 Coronado Expedition 3-Cent Commemorative Stamp

Theodore Roosevelt 30 Cents US Postage Stamp

4 Cent Purple Abraham Lincoln Stamp

3 Cent George Washington Stamp (1861)

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

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

5 Cent George Washington Stamp

United States 4 Cents Defense Stamp

1 Cent George Washington Stamp

United States 5 Cents Pilgrim Tercentenary Stamp

1932 Los Angeles Olympics 3 Cents US Postage Stamp

1 Cent Green George Washington Stamp

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

William Penn 3 Cents Postage Stamp (1932 Issue)

USA 3-Cent Conestoga Wagon 1800s Postage Stamps Block of Four

General José de San Martín 10 Centavos postage stamp

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

1939 New York World's Fair 3 Cent Postage Stamp

50th Anniversary of Motion Pictures 3-cent Stamp

Two-Cent Red Stamp

2 Cents John Adams US Postage Stamp

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

Charter Oak Tercentenary 3-cent Stamp

United States 4-cent Civil War Generals Commemorative Stamp

Tadeusz Kościuszko U.S. Postage Stamp, 5 Cents