Cover ornamented with rubber stamps in blue ink: "THE CONQUEST ARCHIVES" with geometric border, multiple stamps arranged to spell "NC" (Norman Conquest). Paper sheet enclosed. Photocopied collage of face in profile with repeated typewritten words "LETTER" and "BOMB". Invitation to contribute to LETTER BOMB magazine, "AN INTERNATIONAL 'PATAZINE OF THE ARTS", special issue (vol. 58, no 12) on the theme "mail fraud".