it's an old toy cast iron coin bank. (well, part of one) here's a link to what it looked like originally http://i.ebayimg.com/t/ANTIQUE-1887-Security-Safe-Deposit-CAST-IRON-COMBINATION-LOCK-TOY-STILL-BANK-/00/s/MTYwMFgxMjAw/z/esYAAOxyaqlSSHOp/$%28KGrHqV,!rEFJ!wi5P%28!BSSHOojl%28w~~60_35.JPG
I collect antique coin banks and recognized it right away.