Greek 1 Drachma Stamp Appraisals

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp

"Fast Express" 2-Cent United States Postage Stamp

Byrd Antarctic Expedition II 3 Cents U.S. Postage Stamp

25 Cent Abraham Lincoln Air Mail Stamp

1975 North Korean Stamp

Used 20 Sen Japan Stamp, Dragon Series

King George VI 2d Postage Stamp

Chilean 10 Centavos Postal Stamp (Used)

Jose de San Martin Postage Stamp, Argentina

Austrian Postage Stamp with St. Pölten Cancellation

Bighorn Sheep Stamp

Five Dollar Stamp with Taiwanese Flag

Used 2 Pence Queen Victoria Postage and Revenue Stamp

Italian East Africa 10 Centesimi Stamp

French Mercury Head Stamp (Semeuse Type)

30 Cents Theodore Roosevelt US Postage Stamp (1922-1926 Series)

French Postage Stamp, Louis Pasteur, 30 Centimes

Vintage Moroccan Postage Stamp, 2 Mills, with Inverted Portrait and Cancelation Mark

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

Argentine Republic 5 Centavos Stamp, 1915 issue, with Postmark

United States 5 Cents Pilgrim Tercentenary Stamp

Eisenhower 6-Cent Stamp

Victor Herbert 3¢ US Postage Stamp

1977 Gabonese Stamp

Postage Stamp: George VI and Queen Elizabeth (Morocco Agencies)

Chinese stamp commemorating mountaineering and the 10th anniversary of the People's Republic of China

Canada 10 Cent Stamp

New Zealand Diamond Jubilee Stamp

£2 London Stamp

CORREOS MEXICO 5 CENTAVOS Commemorative Stamp: First Printing Press in America

King George V 2½d Blue Definitive Postage Stamp

Used James Fenimore Cooper 2-Cent United States Postage Stamp

Mauritania 15c Postage Stamp 'A.E.F. Camel and Rider' Series

Polish Stamp 7 Zł

Australian 7 Cent Stamp

Vintage French Postage Stamp (Sower Type)

Used 1928 Mexico 10 Centavos Postal Stamp (Temple of the Cross, Palenque)

Austrian Stamp - Tyrol region, 'Osterreich' (Austria), possibly from the 1930s

1959 4-Cent United States Postage Flag Stamp

Manchukuo 2 Fen Postage Stamp (Farm Scene)