Rider Stamp Appraisals

3 Cents Canal Zone Postage Stamp featuring Goethals

William Penn 3 Cents Postage Stamp (1932 Issue)

1939 Cooperstown First Day of Issue Baseball Centenary Stamp Envelope

U.S. 2-Cent Civil War Era Stamp

UAE National Day Stamp 1981

United Nations World Communications Day Stamp

Rattanakosin Bicentennial Stamp

U.S. Postal Stamp Sheet

Netherlands Postage Stamp

India Refugee Relief Stamp

Correos Mexico 10 Centavos Antonio D. Mendoza Commemorative Stamp

37c Emperor Penguin Stamp

British 75p Stamp Sheet

Italian Stamp - Castello Normanno

Lebanese Post Stamp - Baalbek Ruins

George Washington Bicentennial Stamps

Austria 3 Schilling Stamp (Republic Series)

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

United States 3 Cents Postage Stamp (George Washington)

5 Cent Canada Stamp (Bucket Show)

Hungarian 4 Filler Postage Stamp (Holy Crown of Hungary)

35 Fils Stamp from the United Arab Emirates

Spanish 1 PTA Postage Stamp

Canada 3-Cent Stamp

Confederate States Five Cents Postage Stamp (Jefferson Davis)

French Postage Stamp: Le Puy-en-Velay (90c, RF France)

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

Colombian 1/2 Centavo Postage Due Stamp - Palacio de Comunicaciones

Robert Milikan Postage Stamp

New Zealand Four Dollar Stamp Duty

Australian 1 Penny King George V Postage Stamp

Soviet-Era Automobile Postage Stamp Collection in Album

George Washington Commemorative Stamps

5 R.O.C. Flag Stamp

5d Queen Elizabeth II Stamp

Australian Postage Stamp

Guider Stamp

Avro Canada Jetliner Stamp

50p Queen Elizabeth II Postage Stamps

Greek Postage Stamp with King George I