# RR Auction 2025: Kryptos K4: Discovered, Not Solved - Here's What Actually Happened

> RR Auction, 2025. 3 records on Mysteries Department cite it. Sanborn's and the auction house's position on the find.

Source: https://mysteriesdept.com/sources/SRC0D7HSYS276ZP/kryptos-k4-discovered-not-solved-heres-what-actually  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Kryptos](https://mysteriesdept.com/mysteries/kryptos)RR Auction 2025

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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".

**Kryptos** Web pageChecked against the original0

## What it's used for here

Sanborn's and the auction house's position on the find.

## Cited by on this site 3 records

[K4 remains unsolved as a cryptographic problem; no one has derived its plaintext and method from the…](https://mysteriesdept.com/mysteries/kryptos/answers/ANS0D7HTAZP1F8X/k4-remains-unsolved-as-a-cryptographic-problem-no-one-has)

Answer

ANS

[Five scrambled plaintext pages in the Jim Sanborn papers](https://mysteriesdept.com/mysteries/kryptos/artifacts/ART0D7HTJA2066W/five-scrambled-plaintext-pages-in-the-jim-sanborn-papers)

ART

[Kryptos](https://mysteriesdept.com/mysteries/kryptos)

The mystery article

MYS

## 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/
```

[Read it free at content.rrauction.com](https://content.rrauction.com/kryptos-k4-discovered-not-solved-heres-what-actually-happened/)

Key

**SRC** 0D7HSYS276ZP

Kind

Web page

Rights

The publisher's

Kept

27 Oct 2026, for editors

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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