Your gun is built on the K frame and is renowned for it's accuracy. There should be a K preceding those 6 digits and your gun most likely dates to 1961. The -2 variation deleted the screw in the front of the trigger guard and there was a change to the trigger stop.
Your S/N was shipped in the 1960 time frame................value is based upon condition, condition, condition and location. Does it have the original box, tools and documents. Do the grips number to the gun?