Call S&W with the serial number or look it up in the Standard Catalog of Smith and Wesson, 3rd ed by Supica and Nahas.
what is the model
You will need to call S&W to find out.
You will have to call S&W to find out.
You must call S&W to find out.
Call S&W and they will tell you.
You must call S&W to find out.
27 years old
1981
1979
1991-1999
The smith and wesson model 15,4th change (15-4) was made by smith and wesson in 1977.
You can find out by calling S&W and asking them.