14k gold chain with moon pendant, lost near library

I'm Priya Patel. I lost my 14k yellow gold necklace yesterday around 3pm near the Sheboygan Public Library on S 8th Street. It's a slender 18-inch chain with a moon-shaped pendant; the back has a tiny initial 'P' engraved, and the clasp is a bit worn. It was a gift from my grandmother and means the world to me, so I'm really hoping someone picked it up. If you've seen anything that matches, please send a note through the app. Thank you so much.