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....