200 Million Mark Stamp Appraisals

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

United States 4 Cents Defense Stamp

1932 Los Angeles Olympics 3 Cents US Postage Stamp

5 Paise Stamp

Canada Postal Stamp

Singapore 50c Caravel Stamp

Australia Day 1989 Stamp

Used 2 Sen Japanese Postage Stamp

Nazi Germany Era Postage Stamp

Austrian definitive stamp, 'Miner' series, 3 Groschen

Wright Brothers Commemorative Stamp

British Guiana 4c Stamp

5d Sir John Monash Stamp

Blinky Bill Stamp

Switzerland 80 Cent Stamp

Postage Stamp: Morocco Agencies, King George VI & Queen Elizabeth, 12 May 1937

Netherlands Indies 3 Cent Stamp, Water Buffalo and Paddy Field

U.S. Postage Five Cents Kosciuszko 1783-1933 Stamp

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

Deutsches Reich Hindenburg 8 Pfennig Postage Stamp

Deutsches Reich 15 Pfennig Breslau 1936 Stamp

Austrian 2 Kronen Stamp (1916-1918)

1940 Coronado Expedition 3-Cent Commemorative Stamp

British Guiana 4c Purple Stamp

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

United States 10 Cents John Tyler Postage Stamp

Thai Postage Stamp

United States 3-Cent Thomas Jefferson Postage Stamp

Bulgarian Post 60th Anniversary Stamp (1 Leva)

British 1 Penny Stamp (I.P.)

Hungary 50 Korona Stamp

French Postes Sower Stamp, 25 Centimes

Australian 5 Pence Ram Stamp

1944 Wheat Penny No Mint Mark

Jamaica 1 1/2d Stamp featuring King George VI

Jamaica 1½d Postage Stamp (King George V)

Used 10 Centesimi Italian Stamp, Eagle with Crown and Savoy Shield