Someone modified it.
The Smith and Wesson model 27-2 denotes that there was a second engineering change to the original model 27.The second change indicates that Smith and Wesson changed the cylinder stop,and eliminated the trigger guard screw.
Depends on the model
You will need to get it lettered by S&W
Take it to a gunsmith.
Sounds like an after market modification.
The S&W Model 459 was an updated version of the Model 59 with adjustable sights, checkered nylon grips and a squared-off trigger guard with serrations. This model was introduced in 1980 and discontinued in 1988.
Left side of frame. Just above the trigger guard. The format on mine is 3 letters and 4 numbers (for example - ABC1234)
Yes, they are both N frame 357 magnums. The -2 denotes an engineering change -2 1961 Cylinder stop changed, hole in front of trigger guard eliminated
Aftermarket part
The frame size of a Smith and Wesson model 66 is K.
value of smith & Wesson model 5906 pistol