1967 Monaco 500 with what engine?

In November I purchased a 1967 Dodge Marco 500 at the Palm Springs auction. This car has appeared on this forum in the past. It is the one that came out of the Vanderblink auction in SD in July 2020.
I am trying to figure out what engine is in my car. This is my first 60s MoPar. As a result, I am not familiar with Chrysler product engines of the era. My car was advertised as having a 440. I took that at face value, which was probably foolish.
Looking at the VIN, I now know that I have a...

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