Used British Penny Red Stamp Appraisals

Ralph Waldo Emerson 3 Cents United States Postage Stamp

1940 10-Cent Mark Twain Commemorative Postage Stamp

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

1902-1903 Louisiana Purchase Exposition Stamp (20 cents)

4¢ Abraham Lincoln Postage Stamp

Collection of United States Commemorative Postage Stamps

Eugene O'Neill Commemorative Stamp

United States Internal Revenue Tax Paid Stamp (Wines)

Brazilian Empire 'Dom Pedro II' Postage Stamp (100 Réis)

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

United States 4-cent Civil War Generals Commemorative Stamp

United States Two-Dollar Bill (Series 1928 or later, Red Seal Fractional Currency)

1940 Coronado Expedition 3-Cent Commemorative Stamp

1959-D Lincoln Cent with Potential Doubled Die Error

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

Tadeusz Kościuszko U.S. Postage Stamp, 5 Cents

Root of Democracy Stamp

United States Documentary Revenue Stamp, One Dollar, Series of 1871-1872

1932 Los Angeles Olympics 3 Cents US Postage Stamp

Postmarked Envelope with Bicentennial Stamp

Presidents of the United States Stamp Sheet

Four Dollar Purple Stamp

10-Cent Stamp

Rochambeau Stamp

Transpacific Airmail Stamp

Wright Brothers Airmail Stamp

1869 United States 1c Z Grill Stamp

3 Cents Canal Zone Postage Stamp featuring Goethals

The Official Red Book: A Guide Book of United States Coins 2012 (65th Edition)

People's Right to Petition Stamp

United States 3 Cents Postage Stamp (George Washington)

Collection of Early-to-Mid 20th Century Revenue and Definitive Postage Stamps

Cathedral of Puget Stamp

Transpacific Airmail Stamp 1935

Vintage US Revenue Stamp Cufflinks

America's Light Stamp

Four Dollar Stamp

50th Anniversary of Motion Pictures 3-cent Stamp

George Washington Bicentennial Stamps

1976 Bicentennial Joint Stamp