Chinese Nationalist Airmail Stamp 15 Cents Appraisals

10-Cent Stamp

1940 Coronado Expedition 3-Cent Commemorative Stamp

1 Cent Green George Washington Stamp

United States 3-Cent 150th Anniversary of the Adoption of the Constitution Stamp

25 Cent Abraham Lincoln Air Mail Stamp

United States 3-Cent Admiral Farragut and Admiral Porter Postage Stamp

Samuel F. B. Morse U.S. Postage Stamp, 2 Cents (Red)

United States 1 Cent Commemorative Stamp (Washington - Greene, Mount Vernon)

Republic of China Postage Stamp featuring Sun Yat-sen (5 centavos)

Elias Howe 5-cent US Postage Stamp

USA 25 Cent Saw-whet Owl Postage Stamp

Canadian 3-cent Postage Stamp

Claire Chennault 'Flying Tigers, 1940s' USA 40-cent Postage Stamps

Stamp featuring the Flag of the Republic of China

1959 4-Cent United States Postage Flag Stamp

Alexander Graham Bell 10-cent US Postage Stamp

USA 3-Cent Conestoga Wagon 1800s Postage Stamps Block of Four

Queen Wilhelmina of the Netherlands Indies 20 Cent Stamp

United States 10 Cents Special Delivery Stamp, Type of 1922-1925

Republic of China Postage Stamp featuring Sun Yat-sen

United States John James Audubon 1-cent Postage Stamp

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

United States 1938 The States Ratify The Constitution 3 Cent Postage Stamp

U.S. Postage Stamp Centenary (1847-1947) 3-Cent Stamp

Republic of China Commemorative Stamps

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

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

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

1-cent Gilbert Charles Stuart U.S. Postage Stamp

United States 2 Cent George Washington 'Carmine Type I' Postage Stamp (1890-1893)

USA 'Omnibus 1880s' 1-Cent Postage Stamps (Strip of 3)

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

2 Cents John Adams US Postage Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

Chiang Kai-shek Republic of China 200 Yuan Postage Stamp

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

United States 3 Cents Postage Cancellation Mark

US 2-Cent George Washington Postal Stamp on Cover

1 Cent US Postage Stamp, John Paul Jones and Isaac Hull

5 Cent Elias Howe US Postage Stamp (Used)