True, But being cast iron, even IF the punch "bounced", it wouldn't bounce 5 or 6 times, and the bounce wouldn't be enough to make that heavy of a strike, repeatedly. if it was aluminum?, sure, but not cast iron or steel. Factory font? Yes, but that's where the similarities end.
I know you're hoping for all factory, #'s matching, but the fact that you're asking, you already suspect that it isn't.
Heck, I'm no expert, so, maybe I'm wrong and I hope I am, but....