Originally posted by deadin:
JayCeeNC, same question about the number of screws in your rear sight (don't count the "windage" screw). Your gun appears to fall right on the cusp of the change from 2 to 3.
Also, please reconfirm your serial, 647,630. If your's has a Call Gold bead it may have been a special order as the Gold's seem to have changed to Stainless about 3 years prior. (Or it's just another case of S&W's serial numbers being shipped out of sequence. Usually though, it's "older" numbers with "newer" features, not the other way around. Thanks
The serial number is correct. Rear sight is 2-screw variation. Below are pics of both for your perusal:

