German Empire 20 Pfennig Postage Stamp Appraisals

U.S. Postage 25th Anniversary Panama Canal Stamp

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

Canal Zone 1/2 Cent George Washington Postage Stamp

1935 Michigan Centenary 3-Cent US Postage Stamp

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

Edward VII 'Three Pies' India Postage Stamp

Italian Postage Stamp

Republic of China Postage Stamp featuring Sun Yat-sen

Belgian Congo 'River Landscape' Postage Stamp, 10 Centimes

3-Cent George Washington Bicentennial Postage Stamp

90 Fils Stamp of United Arab Emirates

1 Cent Green George Washington Stamp

Republic of China Junk Ship Postage Stamp

Collection of Austrian Postage Stamps (Second Republic Era)

Used Australian Postage Stamp (Kangaroo and Map Series)

King George VI 1½d Postage & Revenue Stamp (Roses, Thistles, Shamrocks, Daffodils)

Czechoslovakian Postage Stamp featuring Tom%C3%A1%C5%A1 Garrigue Masaryk (1 K%C4%8D%C4%8D)

Greek Postage Stamp - Apostle Paul at Areopagus

Dr. Sun Yat-sen (Martyrs)

Trans-Pacific Airmail Stamp 1935

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

Two-Cent Red Stamp

French Mercury Head Stamp (Semeuse Type)

King George V One Shilling Postage and Revenue Stamp

Afrique Équatoriale Française 2 Centimes Postage Stamp

Australia 1940 1d Postage Stamp, King George VI (Postmarked)

United States 12 Cents Zachary Taylor Postage Stamp

Irish 'Eire' 1/2d Green Stamp with Red Overprint

French Sower (Semeuse) 10 Centime Postage Stamp

U.S. Special Delivery Postage Stamp, 10 Cents

Republic of China Postage Stamp featuring Sun Yat-sen (2 Fen)

Czechoslovakian Postage Stamp - X. Vsesokolsky Slet v Praze, Jindrich Fugner Portrait

Pan-American Union 50th Anniversary 3-Cent US Postage Stamp

Costa Rica 10 Centimos Isla del Coco Postage Stamp

Indian Postage Stamp

United States 3 Cents Postage Stamp with George Washington Profile

King George V Two Pence Halfpenny Postage Stamp

King George V 'Three Halfpence' Postage and Revenue Stamp

Australian 2 Pence 'Kangaroo and Map' Postage Stamp (King George V)

Ralph Waldo Emerson 3 Cents United States Postage Stamp