S&W Help Needed

[el44vaquero]

I've come across a S&W 19-4 P&R 4inch model with only a slight turn ring on it. The serial number is 63K8648. Can anyone tell me when it was made and what it might be worth?

Thanks

 

[B36]

SCS&W shows 1980

 

[CSA 357]

theresone near here for 425 in the box