First day Cover (FDC) for a horizontal pair of the Electric Eye printing of U.S. Scott 804, the one cent Prexie/Prexy sheet stamp picturing George Washington. The cover was post marked in Wahington, DC on September 8, 1941. EE FDCs are much scarcer than the standard (non-EE) FDCs.
U.S. Scott 804 (2) Electric Eye FDC Post Marked in Washington, DC
Returns accepted for up to 30 days from the date of mailing, for any reason, as long as the item is returned in the same condition that it was sent.