Those holes are all from the factory ... at least according to the two 629-4's sitting in my safe. The darkened parts on top of the back strap are color transfer from the scope mount.
Things to consider: where is the original rear sight and screw? $850 is a fair price for that gun but not if the rear sight is gone.
Things to consider: where is the original rear sight and screw? $850 is a fair price for that gun but not if the rear sight is gone.