Correct 440

I’m looking at a 1970 Chrysler 300 and the car is a ways away from me. The owner is quite elderly and has some health issues.
I’m trying to determine if the engine in the car is the original 440; all the seller has been able to give me so far is the block casting number; I’m trying to explain to him where the stamping pad is and to clean it and get me the numbers, but he gas early dementia and it’s not happened so far.

I’m hoping the casting number might give me a general idea that it could...

Correct 440
Author: Fireguyfire