take the grips off
39 holds less rounds then the 59
Basically, nothing.
The markings.
Size.
That will depend on what are you comparing it to.
An engineering change.
Overall length The 38 special is a stronger cartridge. If you have a .38 Special revolver it can still shoot a .38 S&W but not the other way around.
Need a detailed description of ALL markings. <><><> Agree. Smith and Wesson first made the .38 Special in 1899, and is making them this morning- yours can be anywhere between 1899 and today.
No tirggerguard screw is the main one.
Different makers. The cartridge used is the 9x19.
Made between 1948-52
908 - Black finish 3914 - Blue finish