Sower Postage Stamp Appraisals

Golden Gate International Exposition Postage Stamp (1939)

United States 3-Cent Thomas Jefferson Postage Stamp

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

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

5 Cent Ned. Indie Postage Stamp (Rural Scene)

Czechoslovakian 50h Jan Evang. Purkyně Postage Stamp

Win the War" US Postage Stamp (1942)

Boulder Dam - 1935 U.S. Postage Stamp

French 'Semeuse' Postage Stamp, 15 Centimes

Abraham Lincoln 3 Cents US Postage Stamp

French 'Peace' Postage Stamp

4-cent Abraham Lincoln Postage Stamp

Canada 17 Postage Stamp

Protectorate of Bohemia and Moravia 50 H Postage Due 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

Bulgarian 1 Leva Postage Stamp with Tsar Boris III

French 'Peace and Commerce' Postage Stamp, 40 Centimes (Purple)

John Tyler 10 Cents United States Postage Stamp

4d Koala Postage Stamp

United States 1½ Cents Martha Washington Postage Stamp

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

Belgium 1934 'BRUXELLES' Overprint Postage Stamp

Ulysses S. Grant 18 Cent Postage Stamp

Denmark 15 Ore King Christian X Postage Stamp

French Postage Stamp

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

French Arc de Triomphe Postage Stamp

Iowa Territorial Centennial Postage Stamp

Martín Güemes 20c Postage Stamp

Hungarian Postage Stamp

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

Hungarian Postage Stamp

Czechoslovakian 20 Halero Postage Stamp

2 Cents John Adams US Postage Stamp

Republic of China Junk Postage Stamp, 4 Cents

Victor Herbert 3-cent US Postage Stamp

"Fast Express" 2-Cent United States Postage Stamp