My mother-in-law has a S&W 38sp Model 60 serial# R108***. What year was it made? What is the value?

Hey y’all this is my first post. I’ve been trying to hunt down a late 60s mod 60 as I have a current C&R and would finally get to use it. Unfortunately I have spent the last 6 months trying to find a listing for serial number ranged but haven’t had much luck. I know that they were lumped...