Jamaica 1 12d Stamp Featuring King George Vi Appraisals

Mexico 1942 Observatorio Astrofísico de Tonantzintla Stamp

Nazi Germany 'Reichsparteitag 1936' Postage Stamp

Ralph Waldo Emerson 3 Cents United States Postage Stamp

Hungarian 1.20Ft Airmail Postage Stamp with Building Motif

Australia 1960 Melbourne Cup Centenary 5d Postage Stamps Strip

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

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

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

Used '10' Denomination Postage Stamp with Circular Postmark

1939 Baseball Centenary First Day Cover

Mexico 1942 Observatorio Astrofísico de Tonanzintla with Orion Nebula Stamp

1939 Golden Gate International Exposition United States Postage Stamp

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

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)

Newfoundland Postage Stamps Collection (1857-1908)

Anglo-American Occupation Zone Germany AM POST Stamps, 1945 Issue

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

Belgian Congo 'River Landscape' Postage Stamp, 10 Centimes

Postmarked Envelope with Bicentennial Stamp

Correos Mexico 10 Centavos Antonio D. Mendoza Commemorative Stamp

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

1934 Wisconsin Tercentenary 3 Cent Stamp - Nicolet's Landing

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

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

Republic of China Postal Stamp, "Sun Yat-sen with Martyr's Memorial" Series, 1 Fen Denomination

Collection of German 'President Hindenburg' Definitive Postage Stamps (1933 issue)

1939 Cooperstown First Day of Issue Baseball Centenary Stamp Envelope

Gibraltar 1D Postage Stamp depicting HMS Victory and Queen Elizabeth II

2 Cents John Adams US Postage Stamp