Ça, Hastings, ça alors... Say again, Poirot, dear chap...

The mystery of AE911 Cryptic code scrawled on Delacroix’s vandalised masterpiece http://www.independent.co.uk/news/world/europe/the-mystery-of-ae911-cryptic-code-scrawled-on-delacroixs-vandalised-masterpiece-8487847.html