First Day Covers

Saluting Organized Labor First Day Cover

Saluting Organized Labor First Day Cover

Honoring Edith Wharton First Day Cover

Honoring Edith Wharton American Novelist - Literary Arts Series 1980 First Day Cover

Northwest Indian Masks - American Indian Art 1980 Block of Stamps First Day Cover

Education in America - Learning Never Ends First Day Cover

Education in America - Learning Never Ends Block of Stamps First Day Cover

American Architecture Series of 1980 Block of Stamps First Day Cover

Honeybee First Day Cover

Honoring Philip Mazzei 1730-1816 - Italian Patriot of the American Revolution First Day Cover

Honoring Philip Mazzei 1730-1816 - Italian Patriot of the American Revolution First Day Cover

Christmas 1980 First Day Cover

Season&#039;s Greetings - Christmas 1980 Block of Stamps First Day Cover

Christmas 1980 First Day Cover

Christmas 1980 - Season&#039;s Greetings Block of Stamps First Day Cover

Honoring Sequoyah Inventor of an Entire Written Alphabet 19¢ Postal Card Stamp First Day Cover

Honoring Sequoyah - Inventor of an Entire Written Alphabet - 19¢ Postal Card Stamp Block of Stamps First Day Cover

Honoring Glenn Curtiss 1878-1930 Pioneer Aviation Series 35¢ Airmail Stamp First Day Cover

Honoring Blanche Stuart Scott First Day Cover

Honoring Blanche Stuart Scott - Pioneer Aviation Series - 28¢ Airmail Post Card Stamp Block of Stamps First Day Cover

In Memoriam Everett M. Dirksen 1896-1969 U. S. Senator 1951-1969 First Day Cover

In Memoriam Everett M. Dirksen 1896-1969 U. S. Senator 1951-1969 Block of Stamps First Day Cover

Honoring Whitney M. Young, Jr. - Black Heritage USA Series 1981 First Day Cover

Change of Rate Postage &quot;B&quot; Issue First Day Cover