Overprint Stamp Appraisals

Chilean 10 Centavos Postal Stamp (Used)

Jose de San Martin Postage Stamp, Argentina

Austrian Postage Stamp with St. Pölten Cancellation

Bighorn Sheep Stamp

Five Dollar Stamp with Taiwanese Flag

United States 10 Cents Parcel Post Official Stamp, Type PR85

United States 3 Cents Postage Stamp, Robert Louis Stevenson

United States 1937 Army Issue Stamp (Lee/Jackson)

7d Elizabeth II Stamp

Switzerland 80 Cent Stamp

Austrian 2 Kronen Stamp (1916-1918)

1940 Coronado Expedition 3-Cent Commemorative Stamp

British Guiana 4c Purple Stamp

1 Cent Benjamin Franklin Stamp

Chinese stamp commemorating mountaineering and the 10th anniversary of the People's Republic of China

Canada 10 Cent Stamp

New Zealand Diamond Jubilee Stamp

British 1 Penny Stamp (I.P.)

Canada Stamp - Royal Canadian Henley Regatta

£2 London Stamp

Used James Fenimore Cooper 2-Cent United States Postage Stamp

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

Polish Stamp 7 Zł

Australian 7 Cent Stamp

Barbados Neptune with Trident Stamp, 1/4d Denomination

Freedom to Speak Out Stamp

Czechoslovakia 1 Koruna Postage Due Stamp

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

James Fenimore Cooper 2 Cents US Postage Stamp

United States 12 Cents Zachary Taylor Postage Stamp

Abraham Lincoln 3 Cents US Postage Stamp

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

Austria 5 Kronen Stamp

Curacao 15 Cent Luftpost Airmail Stamp

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

United States 1½ Cents Martha Washington Postage Stamp

4d Koala Stamp

Chilean '1536-1936 Decierto de Atacama' 5 Cts Postage Stamp

U.S. Special Delivery Postage Stamp, 10 Cents

United States 2 Cents Postage Stamp (George Washington Silhouette)