Evidence · Kryptos

The archive sold on 20 November 2025 included Sanborn's handwritten K4 plaintext and the original K4 coding…

The archive sold on 20 November 2025 included Sanborn's handwritten K4 plaintext and the original K4 coding system.

Established0

What it bears on 1 answer

K4's plaintext and method are known to a few holders and deliberately unpublished.

Most likely

FOR

Cite it

Mysteries Department. (2026). The archive sold on 20 November 2025 included Sanborn's handwritten K4 plaintext and the original K4 coding… [Evidence EVD0D7HTA0E405P]. https://mysteriesdept.com/r/EVD0D7HTA0E405P

@misc{mysteriesdept_evd0d7hta0e405p,
  title     = {The archive sold on 20 November 2025 included Sanborn's handwritten K4 plaintext and the original K4 coding…},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Evidence, catalog key EVD0D7HTA0E405P},
  url       = {https://mysteriesdept.com/r/EVD0D7HTA0E405P}
}