Deutsches Turn U Sportfest Stamp Appraisals

King George VI 5d Postage & Revenue Stamp

Abraham Lincoln 3 Cents US Postage Stamp

1959 4-Cent United States Postage Flag Stamp

Hong Kong Elizabeth II 'The University of Hong Kong' Commemorative Stamp (1841-1941)

King George VI 1½d Postage & Revenue Stamp (Roses, Thistles, Shamrocks, Daffodils)

King George VI 2d Mauve Definitive Stamp with 'REGISTERED' Postmark

Egyptian 15 Milliemes 'Statistical Congress' Postage Stamp

United States Army and Navy For Defense 2 Cents Postage Stamp

United States 3-Cent Admiral Farragut and Admiral Porter Postage Stamp

Amadeo P. Giannini Commemorative Stamp

4-Cent Abraham Lincoln Postage Stamp

King George V One Shilling Postage and Revenue Stamp

King George V Silver Jubilee THREE HALFPENCE Stamp

King George V Two Pence Halfpenny Postage Stamp

United States Documentary Revenue Stamp, One Dollar, Series of 1871-1872

1932 Los Angeles Olympics 3 Cents Postage Stamp

Pan-American Union 50th Anniversary 3-Cent US Postage Stamp

Collection of Vintage Postage Stamps

1 Cent US Postage Stamp, John Paul Jones and Isaac Hull

5d Queen Elizabeth II Stamp

Orville and Wilbur Wright Stamp

Wright Brothers Airmail Stamp

5 Cent George Washington Stamp

Used 1938 Presidential Series Woodrow Wilson $1 Stamp

1932 Los Angeles Olympics 3 Cents US Postage Stamp

Robert Milikan Commemorative Stamp

Thomas Jefferson Memorial Stamp

Frank Lloyd Wright Postage Stamps

Emily Bissell Commemorative Stamp

4-cent Abraham Lincoln Postage Stamp

Five Dollar Stamp with Taiwanese Flag

Used British Penny Lilac Stamp, C.S.E. Obliterated

Collection of Used Austrian Postage Stamps

Vintage Postage Stamp featuring S.S. America

Used Australian Postage Stamp (Kangaroo and Map Series)

Collection of Vintage British Postage Stamps

Vintage 10 Cents Postage Stamp (Building Motif)

Confederate States Five Cents Postage Stamp (Jefferson Davis)

George Washington Bicentennial 3 Cent Stamp

1940 Coronado Expedition 3-Cent Commemorative Stamp