Unsolved 32-character "map code" cipher

Scan of the 32-character cipher

High-resolution police photograph

• Simple ASCII transcription of the cipher symbols:
  • C9J|#Ok[AMf8?ORTG
    X6FDVj%HCELzPW9
• The envelope, letter, map, and cipher.
• Z32 Solutions - Proposed solutions to the cipher. This cipher is probably the hardest to solve with confidence, because there are very few repeated symbols. Therefore, it is possible to fit a very large number of solutions.