Oh, that’s a fun idea for a thread!
My art process is 100% line-less, so my sketches tend to look a lot more uhhh… polished(?) since they naturally have some degree of rendering in them. I made an effort to find a particularly rough page though, and remembered a good one from 2021:
I did all of these pretty quickly in a drawpile session, I was using photrefs ofc but they still have that rough vibe since I was working quickly with unfamiliar tools :D