Centenario Primer Timbre Postal Appraisals

German Empire 20 Pfennig Postage Stamp

Moroccan Postage Stamp '2F Maroc Fes' featuring Cityscape with Clock Tower

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

German Empire 'Germania' 24 Pfennig Postage Stamp

United States 3 Cents Postage Stamp (George Washington)

1939 New York World's Fair 3 Cent Postage Stamp

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

King George V India Postage Stamp

Deutsches Reich 40 Pfennig Germania Definitive Postage Stamp

Chilean Postage Stamp, 'Correos de Chile' with '50' Denomination in Red

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

Bolivia 50 Centavos Postage Stamp (Likely 1901-1904 Issue)

Bermuda 2½d Postage Stamp (King George VI)

U.S. Postage John Ericsson Memorial 5 Cents Stamp

United States 3 Cents Postage Stamp Design

Sverige 1941 'Viking Ship' Postage Stamp

U.S. Postage 3 Cent Horticulture Stamp

United States 10 Cents John Tyler Postage Stamp

Vintage 10 Cents Postage Stamp (Building Motif)

Japanese Propaganda Illustrations

Netherlands Indies 3 Cent Stamp, Water Buffalo and Paddy Field

Egyptian King Farouk 500 Mills Postage Stamp

Vintage Egyptian Postage Stamp with King Farouk Portrait

General José de San Martín 10 Centavos postage stamp

1934 Mother's Day Three Cents U.S. Postage Stamp (Scott #737)

U.S. 3-Cent 'Liberty' Postage Stamps (Block of Two)

Italian 15 Centesimi Postage Stamp featuring Victor Emmanuel III

Australian 1 Penny King George V Postage Stamp

James Fenimore Cooper 2 Cents US Postage Stamp

1940 10-Cent Mark Twain Commemorative Postage Stamp

Czechoslovakia 1 Koruna Postage Due Stamp

Woodrow Wilson $1 United States Postage Stamp

United States Postage Stamps 100th Anniversary Commemorative Card

Liberia 25 Cents Republic Postage Stamp with Water Buffalo

Canada 20 Cents Postage Stamp, Fort Chambly Issue

Republica de Colombia 20 Centavos Postage Stamp (Waterlow & Sons)

Argentine Republic 5 Centavos 'Labor' Postage Stamp

United States Army and Navy For Defense 2 Cents Postage Stamp

1 Cent 'For Defense' US Postage Stamp, Scott #898

29 Cent USA Tulip Postage Stamp