definitely not a super a - there are no hydraulics.
So the hood either is newer, or somebody stuck the wrong decal on it.
Look at casting codes with a letter on any of the major cast parts (and look at several as many parts may have been swapped out).
Do a web search and you can match that letter to the year.
(for example O = 1945, P = 1946, Q= 1947, R=1948 etc. etc - just don't quote me on those letter/years - look them up)