Update (Jan 2019): The puzzle has been solved . Update (Feb 2019): The mural has been erased by french authorities. Update (Sept 2019):...

Portrait d'Eugène Delacroix à L'Aérosol par Pascal Boyart alias Pboy. Paris 2018.

Update August 2019: The mural has been tokenized as NFT on the Ethereum blockchain. Daddy what's money? This mural is at the crossroads...