Charter Oak Tercentenary 3 Cent Stamp Appraisals

United States 1½ Cents Martha Washington Postage Stamp

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

1 Cent US Postage Stamp, John Paul Jones and Isaac Hull

5 Cent Elias Howe US Postage Stamp (Used)

2-Cent United States Postage Stamp (Scott #210)

US 2-Cent George Washington Postal Stamp on Cover

Bolivian Cents Airmail Stamp with Airplane and Archway Scene

John Tyler 10 Cents United States Postage Stamp

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

USA 25 Cent Saw-whet Owl Postage Stamp

United States 4 Cents Defense Stamp

Dutch Stamp 65ct

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

United States 4-cent Civil War Generals Commemorative Stamp

LOVE Stamp (45 cents)

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

Theodore Roosevelt 30 Cents US Postage Stamp

Christmas Stamp, 15c

United States 10 Cents John Tyler Postage Stamp

Vintage 10 Cents Postage Stamp (Building Motif)

United States Army and Navy For Defense 2 Cents Postage Stamp

U.S. Postage John Ericsson Memorial 5 Cents Stamp

United States 5 Cents Postage Due Stamp

7 Cent Australian Stamp

1932 Los Angeles Olympics 5 Cents Stamp

1934 Mother's Day Three Cents U.S. Postage Stamp (Scott #737)

Hong Kong 70c Stamp

Used 12 Cents US Postage Stamp

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

Two-Cent Red Stamp

United States 12 Cents Zachary Taylor Postage Stamp

James Fenimore Cooper 2 Cents US Postage Stamp

4 Cents William Howard Taft US Postage Stamp

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

James Buchanan 15 Cents United States Postage Stamp

Louisa May Alcott 5 Cents United States Postage Stamp

Claire Chennault 'Flying Tigers, 1940s' USA 40-cent Postage Stamps

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

Tadeusz Kościuszko U.S. Postage Stamp, 5 Cents

Used United States 6 Cents John Quincy Adams Postage Stamp