Gravestones bearing an encrypted or hidden message are rare, and they have a morbid charm. On Reddit, I have found one I hadn’t known before. I have no idea where it is located and what the inscription means.

The gravestone of William and Elizebeth Friedman in Washington, DC, bears a hidden message. A few days ago I had the chance to go on site and take a look at it. Here’s my report, including a video that shows Elonka Dunin explaining the code.