First Day Covers

Season&#039;s Greetings Christmas 1973 First Day Cover

Christmas 1973 Block of Stamps First Day Cover

Season&#039;s Greetings Christmas 1973 First Day Cover

13c Airmail Definitive Series of 1973 First Day Cover

13¢ Domestic Rate Airmail Definitive Series of 1973 Block of Stamps First Day Cover

United States 10c Definitive Coil Stamp Series of 1973 First Day Cover

United States 10¢ Definitive Postage Stamp Series of 1973 First Day Cover

US 10¢ Definitive Postage Stamp Series of 1973 Block of Stamps First Day Cover

Thomas Jefferson Memorial First Day Cover

Thomas Jefferson Memorial Block of Stamps First Day Cover

Thomas Jefferson Memorial 10¢ Coil Definitive 1973 First Day Cover

Thomas Jefferson Memorial 10¢ Booklet Pane Definitive Series of 1973 Block of Stamps First Day Cover

Progress in Aviation 13 Cent Air Mail Coil Stamp, Series of 1973 First Day Cover

Thirteen Cent Air Mail Booklet Pane Block of Stamps First Day Cover

In Memoriam - John Fitzgerald Kennedy First Day Cover

Open Bible / Eternal Flame / 1964 World&#039;s Fair First Day Cover

Sesquicentennial of the War of 1812 First Day Cover

JFK Wreath / 1964 World’s Fair First Day Cover

John F. Kennedy First Day Cover

Inaugurating the United States Postal Service July 1, 1971 First Day Cover

The Northwestern Frontier First Day Cover

43rd Wheels of Freedom, National Automobile Show Plate Block of Stamps First Day Cover

Wheels of Freedom Plate Block of Stamps First Day Cover

150th Anniversary of Mexican Independence 1810-1960 Plate Block of Stamps First Day Cover