Most likely produced in the early-mid 80's. The M459 enhanced and replaced the standard M59 (which replaced the classic M39). It was designed for the military, but didn't catch on as well as intended.
No serial number = no answer.
Smith and Wesson is the make.
No serial number provided.
Not a valid S&W serial number.
@1987.
1977
@1983
1916
No serial number given.
Serial number.
Made @ 1981.
1987