Republica De Colombia 20 Centavos Postage Stamp Appraisals

Queen Wilhelmina of the Netherlands Indies 20 Cent Stamp

East German 20 DDR Pfennig Postage Stamp 'Turkish Kilim Designs'

Swiss Pro Patria Stamp, 1950, 20+18 Centimes, Uri Motif

British 20p Queen Elizabeth II Postage Stamps

Azerbaijan Democratic Republic Stamp, 20 Rubles

Deutsche Post Pfennig Definitive Postage Stamps (15, 20, 30, 40, 60 Pfennig)

2 Cents John Adams US Postage Stamp

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

20p Queen Elizabeth II Stamp

Frank Lloyd Wright Postage Stamps

Hungarian 1.20Ft Airmail Postage Stamp with Building Motif

Used United States 6 Cents John Quincy Adams Postage Stamp

Robert Millikan Commemorative Stamp

German Reich 25 Pfennig Philatelic Exhibition Commemorative Stamp

Chiang Kai-shek Republic of China 200 Yuan Postage Stamp

Costa Rica 10 Centimos Isla del Coco Postage Stamp

German Inflation Period Postage Stamp (2000 Mark)

Azerbaijan Democratic Republic Soldier Stamp (10 Rubles)

Collection of German Democratic Republic (DDR) Postmarks and Stamps

Deutsches Reich Hindenburg 8 Pfennig Postage Stamp

Austrian Republic 'Landscapes and Folk Costumes' Postage Stamp Collection

Deutsches Reich 15 Pfennig Breslau 1936 Stamp

Chilean 10 Centavos Postal Stamp (Used)

Bernardino Rivadavia 10 Centavos Postal Stamp

10 Centavos Postal Stamp featuring a historical figure

1892 United States 2-Cent 'Landing of Columbus' Columbian Exposition Postage Stamp

Collection of Austrian Postage Stamps (First Republic Era)

German Hyperinflation Stamp: 20 Tausend (Twenty Thousand)

Republic of China Junk Ship Postage Stamp

Republic of China Junk Postage Stamp, 4 Cents

25 Centimos Stamp from Spain

Dominican Republic 'Primera Madre' Postage Stamp

Block of Four 2F50 French Republic Postage Stamps (Sower Type)

Argentine Republic Postage Stamp (Manuel Belgrano)

Collection of Austrian Postage Stamps (Second Republic Era)

Collection of German Postage Stamps (1928-1947)

Republic of China Postage Stamp, Temple of Heaven Issue

German Reich Postage Stamp Collection (1921-1923)

Chinese Stamp

Costa Rica 2 Centimos Airmail Stamp