Vintage New York Rapid Transit Heart Shaped Lock NYRT Subway With Chain Brass(?).

Not magnetic so I’m guessing it’s brass, but really this thing is so cool who cares? I left it just like I found it, but you can polish it up or do whatever you like. It’s a piece of NY history, so I’m hoping it gets to the right person. I don’t have the key, but it might be out there on eBay somewhere, who knows?