Russian Empire 50 Kopecks Postage Stamp With Inverted Center Appraisals

Soviet Commemorative Stamp

Ceylon 'Tapping Rubber' Postage Stamp (George VI Issue)

British India Queen Victoria 2 Rupees Postage Stamp

Soviet Union Commemorative Stamp

Deutsches Reich 200 Millionen Mark Postage Stamp

Austrian "Imperial Royal" 60 Heller Postage Stamp (1916 Jubilee Issue)

French Postes Sower Stamp, 50 Centimes, Red

Ceylon Queen Victoria 6 Pence Postage & Revenue Stamp (Purple)

Ceylon 6 Cents Stamp, Colombo Harbour and King George VI

German Reich Hindenburg Stamp (8 Pfennig)

Used German Stamp, Deutsches Reich 12 Reichspfennig

Soviet Air Mail Stamp

Deutsches Reich 30 Tausend (Thousand) Stamp

German East Africa 2 Pesa Steamship Stamp

Bavarian Official Stamp (Dienstmarke) 7 1/2 Pfennig

2 Cents John Adams US Postage Stamp

United States 50th Anniversary of Motion Pictures 3-Cent Stamp

Czechoslovakian 50h Jan Evang. Purkyně Postage Stamp

Pan-American Union 50th Anniversary 3-Cent US Postage Stamp

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

France 1924 Paris Olympics 50c Postage Stamp

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

French Postage Stamp (Sower Type, 1f50c, Pasteur)

50th Anniversary of Motion Pictures 3-cent Stamp

Bohemia and Moravia 50h 'Sunburst' Triangular Postage Stamp

50p Queen Elizabeth II Postage Stamps

Idaho Statehood 50th Anniversary U.S. Postage Stamp

Czechoslovakia 1920 Hradcany Surcharge Issue Postage Stamp, 25h on 50h, Lion and Chain Design

2.50 Krone Stamp from Denmark

France 1929 Joan of Arc 50c Stamp

Czechoslovakian 2.50 Koruny Stamp featuring Praška

French Sower Stamp, 2.50 Postes

50 Cent US Postal Stamp

German Empire Postal Stamp with Kaiser Wilhelm II (4 Pfennig)

German Empire Postal Stamp (12 Pfennig)

Daniel Webster US Postage Stamp, 3 Cents

Canada 17 Postage Stamp

Alexander Graham Bell 10-cent US Postage Stamp

United States John James Audubon 1-cent Postage Stamp

United States 2 Cents Postage Due Stamps (Block of Two)