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Butterflies Series of 1977 First Day Cover

Butterflies First Day Cover

200th Anniversary of the Arrival In America of Marquis de Lafayette First Day Cover

SKilled Hands for Independence First Day Cover

SKilled Hands for Independence First Day Cover

Skilled Hands for Independence-1777 First Day Cover

Skilled Hands for Independence 1777 First Day Cover

Herkimer at Oriskany First Day Cover

Bicentennial First Civil Settlement in Alta, California by Spain in 1777 First Day Cover

Drafting the Articles of Confederation First Day Cover

50th Anniversary Talking Pictures First Day Cover

Battle of Saratoga First Day Cover

Energy Conservation/Development First Day Cover

Christmas 1977 Season&#039;s Greetings First Day Cover

Season&#039;s Greetings Christmas 1977 First Day Cover

Carl Sandburg Biographer Poet Folksinger First Day Cover

The American Indian 13c Postage Stamp 1978 First Day Cover

200th Anniversary Pacific Explorations of Captain James Cook First Day Cover

200th Anniversary Pacific Explorations of Captain James Cook First Day Cover

200th Anniversary Captain James Cook Pacific Explorations First Day Cover

Pacific Explorations of Captain James Cook First Day Cover

200th Anniversary Captain James Cook Pacific Explorations First Day Cover

200th Anniversary Captain James Cook Pacific Explorations First Day Cover

Harriet Tubman First Day Cover