French Sudan 1 Franc Postage Stamp 1f Appraisals

Sheet of 12 (12 Pfennig) German Postage Stamps with Postmarks

United States Postage Stamps 100th Anniversary Commemorative Card

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

Used '10' Denomination Postage Stamp with Circular Postmark

Newfoundland Postage Stamps Collection (1857-1908)

3-Cent George Washington Bicentennial Postage Stamp

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

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

United States 10 Cents Parcel Post Official Stamp, Type PR85

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

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

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

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

Iraqi Postage Stamp featuring King Faisal I (likely 1932-1934 issue)

2 Cents John Adams US Postage Stamp

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

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

United States 25 Cent William McKinley Postage Stamp (Series 1922-1938)

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

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

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

1934 Wisconsin Tercentenary 3 Cent Stamp - Nicolet's Landing

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp