Rare WW2 British SOE Penknife with Tyre Slasher Blade

An Original Wartime Special Operations Executives Knife with tyre slasher blade,the blade is clear of any makers name as should be when on clandestine operations,the locking mechanism works well but the main blade spring is now very weak and blade also shows signs of being sharpened and slightly shortened.
The tyre slasher blade spring is in working order,blade shows signs of sharpening. The Chequered slab grips are firm and also in good order ,lanyard loop present. Rarely found item.
UK sale only and 18+ years of age

Code: 50107