You will have to call S&W
The Smith and Wesson factory. You will have to request a S&W letter for more information
You can't tell the model number by this serial number.
@1976.
Impossible to answer without the serial number.
Call S&W and they will tell you.
Provide a detailed description of ALL markings, serial number, model number.
Can't be answered without a DETAILED descripiton of ALL markings.
100-400 USD depending on condition.
Virtually impossible to determine caliber by just the serial number.
Caliber can not be determined by serial number.
Can't tell the caliber from just the serial number.
Serial numbers do not designate calibers. Look on the brrel to ID the caliber.