"S" serial number series S&W Highway Patrolman
I've always wanted a 3.5" model 27, but they have gotten so dad gummed expensive, I glommed this 4" model 28 instead.
Because of California's crazy handgun laws, pre-lock revolvers must be C&R or an in-state private party purchase to be available in Cali. This one is a C&R.
The finish looks decent, grips seem solid and it should be a good shooter.
http://i.imgur.com/Vv5Appy.jpg
http://i.imgur.com/ArMPSO3.jpg
http://i.imgur.com/yQU9VfX.jpg
http://i.imgur.com/Qz7oZs5.jpg
http://i.imgur.com/dWtQCVl.jpg