15d Stamp Appraisals

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

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

George Washington Bicentennial Stamps

Robert Milikan Postage Stamp

New Zealand Four Dollar Stamp Duty

Canada 3-Cent Stamp

Confederate States Five Cents Postage Stamp (Jefferson Davis)

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

Australian 1 Penny King George V Postage Stamp

South Africa 2½c Stamp

5d Queen Elizabeth II Stamp

Australian Postage Stamp

Guider Stamp

Avro Canada Jetliner Stamp

Soviet-Era Automobile Postage Stamp Collection in Album

George Washington Commemorative Stamps

5 R.O.C. Flag Stamp

Greek Postage Stamp with King George I

Bolivian 5 Centavos Stamp (Condor Design)

Belgian 60c King Leopold II Stamp (postmarked)

Albanian 'Pylon Bridge' 25 Qind Stamp

United States John James Audubon 1-cent Postage Stamp

Czechoslovakian 1Kć Stamp featuring Jan Evangelista Purkynė

Used United States 6 Cents John Quincy Adams Postage Stamp

Canadian 3 Cents Postage Stamp featuring King George VI

2 Cents John Adams US Postage Stamp

50p Queen Elizabeth II Postage Stamps

German Stamp - Radio Telescope

Taiwan Postage Stamp

Fiji King George VI 1 1/2d Stamp

Coral Hopper Stamp

Vintage Stamps

New Zealand 4 Dollar Stamp Duty

Royal Mail 22p Blue Stamp

3p St. Patrick's Day Stamp

Australia 1936 South Australia Centenary 2d Sepia and Rose Stamp

Thailand 5 Satang Stamp

1932 Los Angeles Olympics 5 Cents Stamp

Austrian 8 Groschen Stamp

French Stamp - Quercus pedunculata