Blue tin with vintage enamel pins

I found a small blue tin full of vintage enamel pins this afternoon around 1:45pm behind the Publix on College Road in Ocala. The tin is about the size of a deck of cards, a bit battered, and has a white star sticker on the lid. Inside are roughly 20 pins, including a bright yellow sun, a red dragonfly, and a Superman-esque shield. There’s also a tiny black leather-bound notebook with the initials 'M.R.' embossed on the cover. It feels like someone put real care into these, so I’d love to help get them back to their rightful owner.