Hungarian Revenue Stamp With Postmark Appraisals

United States 5 Cents Pilgrim Tercentenary Stamp

French Postage Stamp, Louis Pasteur, 30 Centimes

Czechoslovakia 1938 Jindřich Fügner 50h Postage Stamp

Eisenhower 6-Cent Stamp

Australian 7 Cent Stamp

Victor Herbert 3¢ US Postage Stamp

1977 Gabonese Stamp

Vintage French Postage Stamp (Sower Type)

Mozambique 1/4 C. Portuguese Republic Postage Stamp

German Reich Hindenburg Stamp (8 Pfennig)

France 1931 Colonial Exhibition Postage Stamp

Used British Penny Red Postage Stamp

Guadeloupe Postage Stamp (Likely 2 Francs)

Liberia 25 Cents Republic Postage Stamp with Water Buffalo

Republica de Colombia 20 Centavos Postage Stamp (Waterlow & Sons)

Curacao 15 Cent Luftpost Airmail Stamp

Austria 5 Kronen Stamp

U.S. Postage 'To The Fine Arts' 5-cent Stamp (1962)

United States 1½ Cents Martha Washington Postage Stamp

Used 1928 Mexico 10 Centavos Postal Stamp (Temple of the Cross, Palenque)

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

1959 4-Cent United States Postage Flag Stamp

Indian Mango Stamp

Manchukuo 2 Fen Postage Stamp (Farm Scene)

Ethiopia Italian Occupation 25 Centesimi Postage Stamp

Used 1938 Presidential Series Woodrow Wilson $1 Stamp

Belgium 1934 'BRUXELLES' Overprint Postage Stamp

Manuel Belgrano 1/2 Centavo Postage Stamp

George Washington Bicentennial 3 Cent Stamp

Hong Kong 70c Stamp

5 Cent George Washington Stamp

Greek 25 Lepta Stamp (Victory/Nike)

Republic of China Junk Postage Stamp, 4 Cents

Victor Herbert 3-cent US Postage Stamp

Used Red Postal Stamp with '1' Denomination

Hong Kong 10c Stamp

Thomas Jefferson Memorial Stamp

British Stamp featuring Birds

Postage Stamp

Italian Stamp with King Vittorio Emanuele III