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I followed Little Dougs "Power Giant Era" suggestion and ended up with EricB of Town Wagon, and Power Giant, knowledge giving a hand.
It is similar to a 1953 except for running boards. It is a twin to 1954, i955, and early 1956.
One caveat and quote from EricB "I have not studied the 1954-56 rear valance to see if there were changes in those years." Gordo