Iceland 10 Aur Philatelic Stamp Featuring Skogafoss Waterfall Appraisals

Guatemalan Postage Stamp featuring a Mayan Calendar

German Postage Stamp, 5 Reichspfennig, Featuring Friedrich Schiller

German Airmail Stamp, 1 Mark, featuring Soaring Eagle

Belgique Congo (Congo Belge) Stamp featuring an adult and child

Austrian "Oesterreich" Postage Stamp featuring a smiling man in traditional attire

Republic of China Postage Stamp featuring Sun Yat-sen (5 centavos)

Hong Kong 10c Stamp

Belgium 10c Coat of Arms Postage Stamp

Belgium 10c Coat of Arms Postage Stamp

Costa Rican 10c Airmail Stamp, 1937 National Exposition Issue

Cuban Air Mail Stamp (10c, 1833)

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

Guadeloupe 2c 'La Canne a Sucre au Moulin' Stamp

Vatican City 100 Lire Stamps

United States Postage Stamps 100th Anniversary Commemorative Card

2 Cents John Adams US Postage Stamp