A Reddit user has posted a strange cryptogram engraved on a metal plate. Can a reader make sense of it?

Once again, an interesting crypto mystery has shown up in the /r/codes group on Reddit. Under the headline “Does this look like a code to anyone?”, a Reddit user named Zenfoam asks about a message engraved on a metal plate. For copyright reasons, I can only reproduce the message itself (to see the whole plate, check the Reddit article):

The letters are from the Russian alphabet (cyrillic), which includes characters such as И and Г. So, the plaintext encrypted here might be written in Russian. In front of or behind almost every letter a number is written. While the letters look like they were engraved by hand, the numbers must have been made with some kind of stamp. Here’s a transcription.

When examining a cryptogram, it is always helpful to have some background information. To my regret, as good as nothing about the background of this plate is mentioned in the Reddit post. All there is available is the following comment by Zenfoam: “I just found it on its own. I’m afraid, it’s not obvious in the pic, but the bottom has a ledge that comes out forwards, I use it to store letters on. […] I found it in my loft back in 2001 when I moved in, the previous owners had been here since the 70s at least.”

A user named Iosotr remarked that the numbers follow a diagonal pattern. For instance, the third number in the last row, the fourth number in the second last row, the fifth number in the third last row, the sixth number in the fourth last row and the seventh number in the fifth last row are all zeroes. Here’s a complete list of the numbers (note that there are no sixes):

2 4 9 7 1 8 5 0 2 3 8 7
4 9 7 1 8 5 0 2 3 0 8 7
9 7 1 8 5 0 2 3 0 8 5 1
7 1 8 5 0 2 3 0 5 8 5 7
1 8 5 0 2 3 0 5 8 5 1 1

Can a reader make sense of this message?


Further reading: Russian crypto mystery solved by a reader of this blog

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Kommentare (3)

  1. #1 Thomas
    9. April 2019

    Not all the letters are taken from the cyrillic alphabet, since it doen’t contain FQRV.

  2. #2 Piper
    10. April 2019

    This is definately not cyrillic, this alphabet is made for being carved into something, like the chinese characters are.

    Just look at it, just straight lines, no bows or anything round there.

    Any clue what those small numbers there are for?
    Most are close to a letter, a few aren’t..

  3. #3 ET
    Numbers
    11. April 2019

    The numbers remind me of the Vigenere key in the Kryptos sculpture…