3 Cents Postage Due Stamp Appraisals

25 Cent Abraham Lincoln Air Mail Stamp

7 Cent Australian Stamp

Bolivian Cents Airmail Stamp with Airplane and Archway Scene

US 2-Cent George Washington Postal Stamp on Cover

1926 Handwritten Envelope with 2-Cent Stamp and Postmark

Hong Kong 70c Stamp

United States 4-cent Civil War Generals Commemorative Stamp

United States Parcel Post Stamp, 2 Cent (Type 1)

Canada 35 Stamp

50 Paisa Postage Stamp

Vintage Postage Stamp

Madagascar Postage Stamp

5 Paisa Postage Stamp

Bulgarian Sunflower Postage Stamp (15 ct.)

Centenaire Philippeville Postage Stamp (1838-1938), Algeria

50 Cent US Postal Stamp

Swiss 'Clara Bär' Commemorative Postage Stamp

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

Netherlands Postage Stamp

Italian Postage Stamp

Frank Lloyd Wright Postage Stamp

Rhode Island Tercentenary Postage Stamp (1936)

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

Golden Gate International Exposition Postage Stamp (1939)

Czechoslovakian 50h Jan Evang. Purkyně Postage Stamp

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

Boulder Dam - 1935 U.S. Postage Stamp

Win the War" US Postage Stamp (1942)

Belgium 10c Coat of Arms Postage Stamp

4d Koala Postage Stamp

Bulgarian 1 Leva Postage Stamp with Tsar Boris III

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

French Postage Stamp

Belgium 1934 'BRUXELLES' Overprint Postage Stamp

Iowa Territorial Centennial Postage Stamp

Martín Güemes 20c Postage Stamp

Hungarian Postage Stamp

Hungarian Postage Stamp

South African 1 Cent Stamp

German 1 Reichsmark Postage Stamp (1923 Inflation Period)