Could be a model number, could be a caliber.
100-500 USD
50-125
$140.00
25-50 USD
Best left to a gunsmith
This was a WW2 handgun---P MOD 37 ( pistol model 37) Hungarian made high quality usually supplied the the luftwaffe usually 7.65 caliber ---marked kal 7.65
Contact the maker for a list of repair centers.
50-500 usd
short for modified
Go to S&W's website. You can download or request a manual.
Round $26.59 to the nearest dollar?