Overprint Stamp Appraisals

Denmark 15 Ore King Christian X Postage Stamp

Italian Colonial Stamp for Ethiopia featuring Victor Emmanuel III

Corrios de Colombia 5 Cincocentavos Cafe Suave Stamp

1940 Coronado Cuarto Centennial 3-Cent US Postage Stamp

Great Britain 1s Green (Scott # 177) Stamp

21 cent United States Air Mail Stamp

5 Paise Stamp

Canada Postal Stamp

Singapore 50c Caravel Stamp

Australia Day 1989 Stamp

Brazilian Empire 'Dom Pedro II' Postage Stamp (100 Réis)

1935 Canada George V and Queen Mary 'Silver Jubilee' Three Cents Postage Stamp

Blinky Bill Stamp

Chilean Postage Stamp, 'Correos de Chile' with '50' Denomination in Red

United States 10 Cents John Tyler Postage Stamp

Thai Postage Stamp

Vatican City Stamp

United States 3-Cent Thomas Jefferson Postage Stamp

Bulgarian Post 60th Anniversary Stamp (1 Leva)

New Zealand Stamp (5c Carnelian)

Republic of China Postal Stamp, "Sun Yat-sen with Martyr's Memorial" Series, 1 Fen Denomination

Czechoslovakia 1920 Hradcany Surcharge Issue Postage Stamp, 25h on 50h, Lion and Chain Design

Canadian 2 Cents Postage Stamp (George V)

United States 5 Cents James Monroe Postage Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

1869 United States 1c Z Grill Stamp

Japanese Crane Stamp

U.S. Postage John Ericsson Memorial 5 Cents Stamp

Used Australian Postage Stamp (Kangaroo and Map Series)

Yellowstone National Park Postcard Stamp

Dr. Sun Yat-sen (Martyrs)

New Zealand Christmas Stamp 1979

Trans-Pacific Airmail Stamp 1935

German Postage Stamp

Fokker Super Universal Stamp

Ceylon 6 Cents Stamp, Colombo Harbour and King George VI

Egyptian Postage Stamp (Fouad I)

Liberty Bell Commemorative Stamp

Indian Family Planning Stamp

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