Cover ornamented with rubber stamps in green ink: "DECENTRALIZED WORLD-WIDE NETWORKER CONGRESS 1992", "BRAIN CELL", and "PRINTED MATTER". Rubber stamp in black ink: sender's return address. 7"x10" sheet enclosed. List of contributors to Brain Cell ~ 261. A3 sheet enclosed. Issue No.261 of Brain Cell. Sheet covered in various rubber stamps and artist stamps in various colors. Notable contributors: Bakhchanyan, Ryosuke Cohen, Klaus Groh, Edgardo Antonio Vigo. Small sheet enclosed. Request for materials for the Brain Cell project.