100-800 usd
The smith and wesson model 18-3 was made from 1967-1976.
100-500 USD and up depending on specifics
Your serial number indicates that your Smith and Wesson model 18 was made in the year 1962.
1960; 20-1000 usd
I can say that the Smith and Wesson model 18-3 was made from 1967-1976.
1965; 50-600 usd
60 - 675 usd
1969
Try e-gunparts.com
@ 1962
100-5000 USD