Detective Comics #42 value

Detective Comics #42 from 1940 is a highly valuable piece, with sold comps showing a used value of $666 [1]. The other items listed are from later printings and are valued much lower, with the most expensive being Detective Comics #425 (1972) at $22.35 used [4]. To give you the most accurate assessment, could you tell me if you are interested in the original 1940 issue or one of the later printings?