1974/75.
1974
1974
Made 1960-1974
The sn you have listed would be appropriate for a Model 60 made in @1974.
1974
@1974-5
@1974
Your serial number indicates that your Smith and Wesson model 39-2 semi auto pistol was made in the year 1974.
@ 1974
Late 1974 to early 1975.
1973-1974