Sauce? All I can find using reverse image search is all that meme crap.
did some googling and apparently it's the book cover to some german book called "chemie, glaube und kunst - fundamente meines lebens" (chemistry, faith and art - fundaments of my life)
the artwork is often attributed to the artist Adriaen Brouwer but was allegedly done by his friend Joos van Craesbeeck
the name of the piece is "Mann mit offenem Mund" (man with his mouth open)
>>2535696
Thank you very much for your time, Anon. I appreciate it.
>>2535688
crazy good stuff - my first guess was frans hals
how about we expand this thread to genre paintings in general
>>2535697
no problem mate
I misread btw, it wasn't attributed to Adriaen Brouwer but is a portrait of him I think