White First Day Covers

750th Anniversary of Magna Carta First Day Cover

International Cooperation Year, 1965 First Day Cover

Honoring Herbert Hoover 1874-1964 First Day Cover

Honoring Herbert Hoover 1874-1964 Block of Stamps First Day Cover

200th Anniversaery Robert Fulton, 1965-1965 First Day Cover

200th Anniversary Robert Fulton 1765-1965 Block of Stamps First Day Cover

1565-1965 Quadricentennial of St. Augustine, Florida First Day Cover

1565-1965 Quadricentennial of St. Augustine Florida First Day Cover

Promote Traffic Safety 1965 First Day Cover

Promote Traffic Safety 1965 Block of Stamps First Day Cover

Honoring John Singleton Copley, 1737-1815 - Famous American Portrait Painter First Day Cover

Honoring John Singleton Copley, 1737-1815 Block of Stamps First Day Cover

Centenary of the International Telecommunications Union First Day Cover

Centenary of the International Telecommunication Union 1965 Block of Stamps First Day Cover

In Memoriam Adlai Stevenson First Day Cover

Season&#039;s Greetings Christmas 1965 First Day Cover

Season&#039;s Greetings Christmas 1965 Block of Stamps First Day Cover

Abraham Lincoln - Prominent American Series First Day Cover

Prominent American Series First Day Cover

George Washington First Day Cover

George Washington Block of Stamps First Day Cover

Albert Einstein First Day Cover

50th Anniversary Migratory Bird Treaty - United States-Canada First Day Cover

50th Anniversary Migratory Bird Treaty UnIted States-Canada 1966 Block of Stamps First Day Cover