Czechoslovakia 1 Koruna Postage Due Stamp Appraisals

Centenaire Philippeville Postage Stamp (1838-1938), Algeria

Used '10' Denomination Postage Stamp with Circular Postmark

Swiss 'Clara Bär' Commemorative Postage Stamp

Austrian Postage Stamp with Mountainous Landscape (Possibly 'Alpenrosen' or similar series)

United States 5-cent Postage Stamp, Woodrow Wilson

1934 'Mother of America' 3-cent US Postage Stamp (Scott 737)

Netherlands Postage Stamp

Italian Postage Stamp

Korean Postage Stamp

4¢ Abraham Lincoln Postage Stamp

Frank Lloyd Wright Postage Stamp

1 Gulden Stamp from the Netherlands

4-Cent Abraham Lincoln Postage Stamp

Rhode Island Tercentenary Postage Stamp (1936)

United States 3 Cents Postage Stamp (George Washington)

Used 2 Cent John Greenleaf Whittier US Postage Stamp

Victor Herbert 3¢ US Postage Stamp

Used 12 Cents US Postage Stamp

United States 3-Cent Thomas Jefferson Postage Stamp

Golden Gate International Exposition Postage Stamp (1939)

Austrian "Oesterreich" Postage Stamp featuring a smiling man in traditional attire

Brazilian Empire 'Dom Pedro II' Postage Stamp (100 Réis)

1951 Canada 4-Cent Princess Elizabeth and Duke of Edinburgh Postage Stamp

Win the War" US Postage Stamp (1942)

Boulder Dam - 1935 U.S. Postage Stamp

Abraham Lincoln 3 Cents US Postage Stamp

4-cent Abraham Lincoln Postage Stamp

Canada 17 Postage Stamp

US 2 Cent George Washington Postage Stamp, Green, Bureau Issue

Belgium 10c Coat of Arms Postage Stamp

Jane Addams 10c United States Postage Stamp

U.S. Postage Stamp: 'To the Fine Arts' 5-Cent

British Guiana 1 Cent George VI 'Ploughing a Rice Field' Stamp

John Tyler 10 Cents United States Postage Stamp

4d Koala Postage Stamp

Austrian Postage Stamp depicting a Man in Traditional Attire (Possible Tyrolean or Austrian Folklore Theme)

2 Cents John Adams US Postage Stamp

Belgium 1934 'BRUXELLES' Overprint Postage Stamp

Ulysses S. Grant 18 Cent Postage Stamp

French Postage Stamp