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Kryptos K4: Discovered, Not Solved - Here's What Actually Happened
RR Auction, 2025. RR Auction blog, 23 October 2025.
The seller's account: the five scrambled pages were copies made in 1990 for the CIA's historical staff, placed in the archive by accident; Sanborn says the finders "did not solve K4 and they certainly did not find the key".
What it's used for here
Sanborn's and the auction house's position on the find.
Our copy
Research copy, for editors and curators. The work is the publisher's, so readers are sent to it. We keep this copy so the citation can be checked if the page changes or goes.
content.rrauction.com · fetched 27 Oct 2026
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Cite it
RR Auction (2025). Kryptos K4: Discovered, Not Solved - Here's What Actually Happened. RR Auction blog, 23 October 2025. https://content.rrauction.com/kryptos-k4-discovered-not-solved-heres-what-actually-happened/
@misc{rrauction2025discovered,
author = {RR Auction},
title = {Kryptos K4: Discovered, Not Solved - Here's What Actually Happened},
howpublished = {RR Auction blog, 23 October 2025},
year = {2025},
url = {https://content.rrauction.com/kryptos-k4-discovered-not-solved-heres-what-actually-happened/}
}TY - ELEC TI - Kryptos K4: Discovered, Not Solved - Here's What Actually Happened AU - RR Auction PY - 2025 JO - RR Auction blog, 23 October 2025 UR - https://content.rrauction.com/kryptos-k4-discovered-not-solved-heres-what-actually-happened/ ER -
. “Kryptos K4: Discovered, Not Solved - Here's What Actually Happened.” RR Auction blog, 23 October 2025 (2025).