Postage Mark Appraisals

United States 1934 National Parks Issue, 3-cent Grand Canyon

1937 Northwest Territory Sesquicentennial 3-Cent Stamp

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

Swiss Pro Patria Stamp, 1950, 20+18 Centimes, Uri Motif

Fokker Super Universal Stamp

New Zealand Diamond Jubilee Stamp

Harry Hawker Commemorative Stamp

US Postage 3 Cents Stamped Envelope (Washington Profile)

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

Used 5 (Kreuzer?) Stamp, Orange with Central Cross on Shield

Wright Brothers Airmail Stamp

Canada 10 Cent Stamp

25 Centimos Stamp from Spain

5p Queen Elizabeth II Stamp

Robert Millikan Commemorative 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

British 1p Stamp (Queen Elizabeth II)

Orville and Wilbur Wright Stamp

New Zealand Four Dollar Stamp

Thomas Paine Stamp

3p St. Patrick's Day Stamp

New Zealand Christmas Stamp

Wilbur Wright Aviation Stamp

Polish 10 Zloty Postal Stamp featuring Józef Piłsudski

Barbados 1d Seahorse and Neptune Stamp (Used)

Republic of Korea Postal Stamp featuring a Celadon Vase

Eisenhower 6-Cent Stamp