If you’re interested in library signage, and who isn’t, then you may want to keep an eye on YUL Signs, where I post signs I see around my workplace, York University Libraries. I expect lots of new ones will go up as the new term gets going in September.
Here are two I saw today:
The images are CC0 so you are free to reuse them however you like. I’m afraid I can’t supply original PDFs or Word templates for reuse, however.