Blue US passport with red heart sticker

Lost my blue US passport yesterday around 4pm near the Boulder Book Store on Pearl Street. It's the standard naval-blue cover with the Great Seal and a tiny red heart sticker on the back. The corners are a bit worn from travel, and inside the edge of the photo page I’ve lightly penciled my initials 'PK' for quick ID. This passport is essential for a work trip next week, and I’m really hoping to get it back soon—replacing it takes time and upends my plans. If you found it, I can meet you on Pearl Street, or near the Boulder Public Library to verify.