It is probably not 42-97737. The lack of fuselage code and tail markings indicates it may be that 1) The aircraft was to be sold to an Ally after the war, 2) The aircraft was to be transferred to another unit or Ally during the war, or 3) It was held back for some other reason instead of being scrapped.
Here is a good book that looks at USAAF camouflage schemes that appears about to be reprinted.
https://www.amazon.com/USAAF-Aircraf.../dp/0764302469
Usual disclaimer,
Ed