Here's a nice assortment of 10 different United States First Day Covers from the 1970s. All bear monochrome ARTCRAFT cachets and are unaddressed.

Details:
Scott # Subject First Day of Issue Postmark
------- ------- --------------------------
1499 8¢ President Harry S. Truman Independence, MO - May 8, 1973
1508 8¢ Christmas Washington, DC - November 7, 1973
1683 13¢ Alexander Graham Bell Telephone Centennial Boston, MA - March 10, 1976
1615 7.9¢ Bulk Rate - Coil Miami, FL - April 23, 1976
1699 13¢ Nurse Clara Maass Belleville, N.J. - August 18, 1976
1700 13¢ Adolph S. Ochs - New York Times Publisher New York, NY - September 18, 1976
1614 7.7¢ Bulk Rate - Coil New York, NY - November 20, 1976
1705 13¢ Centennial of Sound Recording - Phonograph Washington, DC - March 23, 1977
1716 13¢ Marquis de Lafayette Bicentennial Charleston, SC - June 13, 1977
1721 13¢ Peace Bridge 50th Anniversary Buffalo, NY - August 4, 1977

Condition: Neat, clean, and unaddressed. (Please see scans.)

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