Pan American Union 50th Anniversary 3 Cent Us Postage Stamp Appraisals

United States 4 Cents Defense Stamp

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

United States 2 Cent George Washington 'Carmine Type I' Postage Stamp (1890-1893)

1892 United States 2-Cent 'Landing of Columbus' Columbian Exposition Postage Stamp

United States 5-cent Daniel Chester French Postage Stamp

Alexander Graham Bell 10-cent US Postage Stamp

1 Cent 'For Defense' US Postage Stamp, Scott #898

5 Cent Frances E. Willard US Postage Stamp

United States 10 Cents John Tyler Postage Stamp

5 Cent Elias Howe US Postage Stamp (Used)

1-cent Gilbert Charles Stuart U.S. Postage Stamp

2 Cents John Adams US Postage Stamp

United States 4-cent Civil War Generals Commemorative Stamp

United States 1902 Series 1 Cent Benjamin Franklin Postage Stamp

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

Elias Howe 5-cent US Postage Stamp

1940 10-Cent Mark Twain Commemorative Postage Stamp

29 Cent USA Tulip Postage Stamp

John Tyler 10 Cents United States Postage Stamp

1 Cent Benjamin Franklin Stamp

U.S. Postage 25th Anniversary Panama Canal Stamp

4-Cent Abraham Lincoln Postage Stamp

Ulysses S. Grant 18 Cent Postage Stamp

Used James Fenimore Cooper 2-Cent United States Postage Stamp

Used 12 Cents US Postage Stamp

4¢ Abraham Lincoln Postage Stamp

4 Cents William Howard Taft US Postage Stamp

4-cent Abraham Lincoln Postage Stamp

United States 5 Cents Postage Due Stamp

10 Cent Jefferson Memorial Stamp

Confederate States Five Cents Postage Stamp (Jefferson Davis)

United States Parcel Post Stamp, 2 Cent (Type 1)

Eisenhower 6-Cent Stamp

10 Cent Jefferson Memorial Stamp

Jane Addams 10c United States Postage Stamp

United States Army and Navy For Defense 2 Cents Postage Stamp

Used United States 6 Cents John Quincy Adams Postage Stamp

75th Anniversary of the 13th Amendment Commemorative Postage Stamp

US 2-Cent George Washington Postal Stamp on Cover

United States 12 Cents Zachary Taylor Postage Stamp