Robert Milikan Postage Stamp Appraisals

King George VI Postage and Revenue Stamp (3d)

King Edward VIII 2/6 Postage Stamp

Guadeloupe 1F Postage Stamp - Sugarcane Mill Scene

Austrian 5 Krone Postage Stamp (1916-1918)

United States 5-cent Daniel Chester French Postage Stamp

Collection of Deutsche Post (German Post) Postage Stamps

Elias Howe 5-cent US Postage Stamp

Canadian 3-cent Postage Stamp

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

Doug Harvey 'Canada' Commemorative Postage Stamp

Nederlandsch-Indie 1 Cent Postage Stamp

Autonomous Epirus 5 Lepta Postage Stamp

Republic of China Postage Stamp, Temple of Heaven Issue

Virgin Islands 3-Cent Postage Stamp (Used)

Used 3-cent George Washington US Postage Stamp

Hong Kong Stamp

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

Lithuanian 4 Aušra Stamp featuring a Man Sowing

Indian Postage Stamp depicting a monarch, possibly King George V

Australia 3c Jellyfish Stamp

Hungarian 1.20Ft Airmail Postage Stamp with Building Motif

King George VI 5d Postage & Revenue Stamp

Canadian Red Fox Postage Stamp

Lebanese Cedar Tree Stamp, 0.10 Piasters

Indian Fish Postage Stamp

Canadian Stamp

Newfoundland Postage Stamp Collection

British 20p Queen Elizabeth II Postage Stamps

German Reich 20 Pfennig Postage Stamp

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

German Postage Stamp, Hindenburg Inaugural Issue

Ethiopia Italian Occupation 25 Centesimi Postage Stamp

Manuel Belgrano 1/2 Centavo Postage Stamp

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

U.S. Postage 25th Anniversary Panama Canal Stamp

German Inflation Period Postage Stamp (2000 Mark)

Canal Zone 1/2 Cent George Washington Postage Stamp

1935 Michigan Centenary 3-Cent US Postage Stamp

Deutsche Post Pfennig Definitive Postage Stamps (15, 20, 30, 40, 60 Pfennig)

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