First Day Covers

In Memoriam Eleanor Roosevelt First Day Cover

100th Anniversary National Academy of Sciences Washington D.C. First Day Cover

100th Anniversary National Academy of Science First Day Cover

100th Anniversary City Mail Delivery First Day Cover

100th Anniversary International Red Cross First Day Cover

International Red Cross First Day Cover

Season&#039;s Greetings Christmas 1963 First Day Cover

John J Audobon First Day Cover

Honoring John. J. Audubon, Artist and Orinothologist 1785-1851 First Day Cover

John James Audubon Artist Naturalist First Day Cover

Honoring Sam Houston 1793-1863 First Day Cover

100th Anniversary of the Birth of Charles M. Russell The Cowboy Artist First Day Cover

New York World&#039;s Fair First Day Cover

United States World&#039; Fair Postage Stamp 1964 First Day Cover

New York World&#039;s Fair First Day Cover

New York World&#039;s Fair First Day Cover

New York World&#039;s Fair First Day Cover

New York World&#039;s Fair 1964 1965 Peace Through Understanding First Day Cover

John Muir Conservationist 1838-1914 First Day Cover

The Battle of the Wilderness First Day Cover

Civil War Centennial 1864-1964 Battle of the Wilderness First Day Cover

Civil War Centennial - 1864-1964 - Battle of the Wilderness First Day Cover

Civil War Centennial Battle of the Wilderness First Day Cover

The Battle of the Wilderness Civil War Centennial First Day Cover