1977
@1969
1969
No serial number given = no answer.
1986
1979
You must call S&W
80-81
You will have to call S&W
You must call S&W
Call S&W with the serial number and they will tell you.
You will have to call S&W for the date.
Post the serial number or find a copy of the Standard Catalog of Smith and Wesson.