Postage Mark Appraisals

French Ceres Stamp, 10 Centimes, Used

Castello di Mussomeli Stamp

10 Cent Jefferson Memorial Stamp

10 Cent Jefferson Memorial Stamp

Dutch Stamp 65ct

George Washington Bicentennial Stamps

Wright Brothers Airmail Stamp

25 Centimos Stamp from Spain

5p Queen Elizabeth II Stamp

Robert Millikan Commemorative Stamp

Canada 10 Cent Stamp

Soviet-Era Automobile Postage Stamp Collection in Album

Belgique Congo (Congo Belge) Stamp featuring an adult and child

Polish Stamp 7 Zł

Canadian Stamp - 1955

British 4d Lilac Stamp

Transpacific Airmail Stamp 1935

Iranian 5 Dinars Stamp

Eugene O'Neill Commemorative Stamp

U.S. Post Office Department Registry Bill, Form No. 1550

Orville and Wilbur Wright Stamp

New Zealand Four Dollar Stamp

British 1p Stamp (Queen Elizabeth II)

Wilbur Wright Aviation Stamp

Thomas Paine Stamp

3p St. Patrick's Day Stamp

New Zealand Christmas Stamp

Polish 10 Zloty Postal Stamp featuring Józef Piłsudski

Eisenhower 6-Cent Stamp

Barbados 1d Seahorse and Neptune Stamp (Used)

Republic of Korea Postal Stamp featuring a Celadon Vase

US 2-Cent George Washington Postal Stamp on Cover

Australian Stamp featuring a Native Animal

Oliver Wendell Holmes Stamp

Post-war German Stamps Collection on Album Page

4 Cent Purple Abraham Lincoln Stamp

24c Commonwealth Heads of Government Meeting Stamp

3 Cent George Washington Stamp (1861)

Australia 4d Koala Stamp

5 Cent George Washington Stamp