Impossible to know the caliber with only a serial number. It should be marked on the barrel.
500 s&w
the maker.
50-175 USD
10-200 USD or so
Usually it means "Smith & Wesson"
NO, NO, NO, NO, NO, NO, NO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DO NOT EVEN TRY TO DO THIS!!!!!!!!!!!!!!
100-550 USD
Question can't be answered without knowing the caliber.
250 or so
100-400 or so
Based in N.C. Kimel Industries Model 5000 .32 caliber listed as .32cal SW
Call S&W with the sn and they will tell you.