If it is a blued 357 with adjustable sights, it is probably a Model 15.
Check on the butt.
Impossible to answer without the serial number.
Feb.1984 with the serial number that you have provided.
100-450 or so
100-500 usd
25-450 usd
@1984
100-400 USD
100-400
1956-1957
250-500 USD
1974