Cover ornamented with rubber stamp in black ink: 3D cube design, logo for "DIAGONALE / espace critique". A4 sheet enclosed. Bordered with photocopied reproductions of rubber stamp designs. Invitation to contribute to a mail art exhibition at Diagonale in Paris and Alternativa 4 in Cascais, Protugal. Deadline March 30 1985, exhibition to be held "next spring". A4 sheet enclosed. Bordered with photocopied reproductions of rubber stamp designs. Questionnaire about mail art practice. Postcard enclosed. Orange card with Ancient World designs and French text: "ICARE N'EST PAS MORT" (Icarus is not dead). Postcard enclosed. Collage of map image with stacks of envelopes and text: "ARTISTES, A VOS POSTES!" (artists, to your posts).