#1632 Interphil 1976 first day cover by Postmasters of America. Postmark State: PA City: Philadelphi..
$1.50
#1638 Massachusetts State Flag first day cover by Postmasters of America. Postmark State: DC City: W..
$2.50
#1684 Commercial Aviation first day cover by Postmasters of America. There is a spot to the lower ri..
$1.50
#1685 Chemistry first day cover by Postmasters of America. The upper right corner is creased. Postma..
$1.50
#1690 Benjamin Franklin first day cover by Postmasters of America. Postmark State: PA City: Philadel..
$1.50
#1695-98 Olympics first day cover by Postmasters of America. The #1695 stamp is scuffed. Postmark St..
$2.50
#1700 Adolph S. Ochs first day cover by Postmasters of America. The right edge is creased. Postmark ..
$1.50
#1702 Winter Pastime first day cover by Postmasters of America. The right center edge is creased. Po..
$1.50
#1704 Washington at Princeton first day cover by Postmasters of America. Postmark State: NJ City: Pr..
$1.50
#1705 Sound Recordings first day cover by Postmasters of America. Postmark State: DC City: Washingt..
$1.50
#1706-09 Pueblo Art first day cover by Postmasters of America. Postmark State: NM City: Santa Fe Yea..
$6.00
#1710 Lindbergh's Flight first day cover by Postmasters of America. There is a spot on the upper le..
$1.00
#1711 Colorado Statehood first day cover by Postmasters of America. Postmark State: CO City: Denver ..
$1.50
#1717-20 Skills Hands for Independence first day cover by Postmasters of America. Postmark State: OH..
$6.00
#1721 Peace Bridge first day cover by Postmasters of America. The lower right edge of the cachet and..
$1.50
#1722 Herkimer at Oriskany first day cover by Postmasters of America. There is creasnig under the le..
$1.50
#1725 First Civil Settlement - Alta California first day cover by Postmasters of America. Postmark S..
$1.50
#1726 Drafting the Articles of Confederation first day cover by Postmasters of America. Postmark Sta..
$1.50
#1727 Talking Pictures first day cover by Postmasters of America. The upper right corner is creased...
$1.50
#1728 Surrender at Saratoga first day cover by Postmasters of America. Postmark State: NY City: Schu..
$1.50
#1731 Carl Sandburg first day cover by Postmasters of America. The upper right corner is creased. Po..
$1.50
#1745-48 American Quilts first day cover by Postmasters of America. The edges are toned. Postmark ..
$1.00
#1749-52 American Dance first day cover by Postmasters of America. Postmark State: NY City: New York..
$6.00
#1753 French Alliance first day cover by Postmasters of America. Postmark State: PA City: York Year:..
$1.50
#1754 Early Cancer Detection first day cover by Postmasters of America. Postmark State: DC City: Was..
$1.50
#1756 George M. Cohan first day cover by Postmasters of America. Postmark State: RI City: Providence..
$1.50
#1758 Photography first day cover by Postmasters of America. The flap is creased. Postmark State: NV..
$2.00
#1759 Viking Missions to Mars first day cover by Postmasters of America. Postmark State: VA City: Ha..
$2.50
#1760-63 American Owls first day cover by Postmasters of America. Postmark State: AK City: Fairbanks..
$3.00
#1764-67 American Trees first day cover by Postmasters of America. Postmark State: AR City: Hot Spri..
$3.00
#1768 Madonna and Child first day cover by Postmasters of America. Postmark State: DC City: Washingt..
$1.50
#1769 Hobby Horse first day cover by Postmasters of America. Postmark State: MI City: Holly Year: 19..
$1.50
#1771 Martin Luther King Jr. first day cover by Postmasters of America. Postmark State: GA City: Atl..
$2.00
#1772 International Year of the Child first day cover by Postmasters of America. Postmark State: PA ..
$1.50
#1775-78 PA Toleware first day cover by Postmasters of America. Postmark State: PA City: Lancaster Y..
$3.00
#1783-86 Endangered Flowers first day cover by Postmasters of America. The lower center edges are cr..
$3.00
#1788 Special Olympics first day cover by Postmasters of America. Postmark State: NY City: Brockport..
$1.50
#1791-94 Summer Olympics first day cover by Postmasters of America. Postmark State: CA City: Los Ang..
$1.50
#1799 Madonna and Child first day cover by Postmasters of America. Postmark State: DC City: Washingt..
$1.50
#1801 Will Rogers first day cover by Postmasters of America. Postmark State: OK City: Claremore Year..
$1.50
#1821 Frances Perkins first day cover by Postmasters of America. The lower center edge is creased. P..
$1.50
#1823 Emily Bissell first day cover by Postmasters of America. The lower center edge is creased. Pos..
$1.50
#1824 Helen Keller - Anne Sullivan first day cover by Postmasters of America. The edges are creased...
$1.00
#1826 General Bernardo de Galvez first day cover by Postmasters of America. The upper right corner a..
$1.00
#1827-30 Coral Reefs first day cover by Postmasters of America. The edges are creased. Postmark Stat..
$4.00
#1831 Organized Labor first day cover by Postmasters of America. The lower left edge is creased and..
$1.25
#1832 Edith Wharton first day cover by Postmasters of America. Postmark State: CT City: New Haven Ye..
$1.50
#1833 Learning Never Ends first day cover by Postmasters of America. Postmark State: MA City: Frankl..
$1.50
#1834-37 Indian Masks first day cover by Postmasters of America. Postmark State: WA City: Spokane Ye..
$3.00
#1838-41 American Architecture first day cover by Postmasters of America. The upper edges of #1840 a..
$5.00