This!

https://downdetector.com/status/bing/

Seems to be related to bing using AI now…

https://chaos.social/@kubikpixel/112489782242675124

I have no idea, but I can’t LOL…

https://duckduckgo.com/?va=c&t=ho&q=blubb https://www.qwant.com/?q=blubb&t=web https://www.ecosia.org/search?q=blubb https://www.startpage.com/

I believe it’s an offset print of some kind, which needs a lot of preparation.

The guy I asked at the restaurant was the owner. The prints were donated by his parents in law, they used to have a restaurant in Italy some 30 years ago. He already investigated on the artist himself …

Reverse image search - done :(