This is a great 3rd pattern British WWII Fairbairn-Sykes Commando fighting knife.  The tang is marked with a broad arrow and "I" for  Ishapur Armory stores in India. It also has the "England" export stamp.  Handle is marked with "1".  Blade has most of the original blued tone polished off.  Blade does not appear to have been sharpened, but does have scratches.  Handle has a darkened copper tone.  Knife comes with an original sheath.  It is missing the elastic band nd has several shallow dents to the tip.