500 USD
100-435 USD
400 or so
You will have to call S&W
50-450 usd
No way to value with just the serial number.
100-1000 USD depending on specifics
model 15 is not made in 357 it could be a19-3
Look on frame inside the cylinder area to find the model number of a Smith and Wesson 357 mag snub 2 in stainless barrel
30 yrs or so
The sn is located on the butt of the weapon.
value depends on overall condition...................