See link below.
You will have to call S&W with the serial number to find out.
dan wesson model 163305
You will have to call S&W to find out.
Check the butt and crane area of the frame.
There is no way to find out. No such database exisits.
You must call S&W to find out.
Impossible to answer without the serial number.
1980
Made in 1972
Unless the owner sees your question, you will likely never find out.
It should be a model 15-2 and manufactured in 1979.
Impossible to answer without the serial number.