Eleven

"Chances are low someone's reported this lost," Hopper says. "I dunno all the legalities surrounding this kinda thing, but I figure we might get to keep it in the end."

He's not really sure how that works, he'll have to ask someone else at the station, but that's how it happens in movies. It's kind of stupid, Hopper thinking about how things are done in movies when he's a detective himself, but he works in homicide, not lost treasure.