German 1 Reichsmark Postage Stamp 1923 Inflation Period Appraisals

3 Cent George Washington Stamp (1861)

Morocco Agencies 15 Centimes George VI and Elizabeth Coronation Stamp

Ralph Waldo Emerson 3 Cents United States Postage Stamp

Republic of China Airmail Stamp, 15 Sen (Yuan) with Plane over Great Wall

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

Hungarian 'Strong Man' definitve postage stamp (1946-1948 issue), 20 Filler denomination

Austria DeutschØsterreich 10 Heller Stamp, Eagle with Floral Motif

USSR 1980 Postage Stamp - Jean Auguste Dominique Ingres (Self-Portrait with Vénus Anadyomène)

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

Ecuador 1939 'Mision Dolores' Golden Gate International Exposition Stamp

10 Paise Electric Locomotive Stamp

75th Anniversary of the 13th Amendment Commemorative Postage Stamp

1939 Golden Gate International Exposition United States Postage Stamp

Mexico 1942 Observatorio Astrofísico de Tonanzintla with Orion Nebula Stamp

U.S. Special Delivery Postage Stamp, 10 Cents

Australia 1960 Melbourne Cup Centenary 5d Postage Stamps Strip

US 3 Cent NATO Commemorative Postage Stamps (1952)

Collection of 1960s United States Commemorative Postage Stamps (Eight Stamps)

Alexander Graham Bell 10-cent US Postage Stamp

United States 1937 Army Issue Stamp (Lee/Jackson)

James Buchanan 15 Cents United States Postage Stamp

United States Postage Stamps 100th Anniversary Commemorative Card

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

VS1943-44 Overrun Countries Set of 13 Postage Stamps

Newfoundland Postage Stamps Collection (1857-1908)

Used '10' Denomination Postage Stamp with Circular Postmark

United States 10 Cents Parcel Post Official Stamp, Type PR85

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

U.S. Postage 3 Cent 'Gardening Horticulture' Stamp (1958)

United States 214-259 George Washington 2-Cent Stamp, Green (1881-1888)

2 Cent 1890-93 George Washington Postage Stamp (Series Issue)

Used U.S. Parcel Post 10 Cents Stamp with "ANN" Overprint

Belgian Congo 'River Landscape' Postage Stamp, 10 Centimes

Iceland 10 Aur Philatelic Stamp featuring Skógafoss Waterfall

Polish 10 Zloty Postal Stamp featuring Józef Piłsudski

Correos Mexico 10 Centavos Antonio D. Mendoza Commemorative Stamp

United States 1938 The States Ratify The Constitution 3 Cent Postage Stamp

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

Claire Chennault 'Flying Tigers, 1940s' USA 40-cent Postage Stamps

Block of Four 1976 Helvetia Pro Juventute Stamps (Elderberry Motif)