Wilkinson Sword is the only company known to have supplied the First Pattern dagger to The War Office.
While these inexpensive knives have never attracted extensive collector interest, a few forward-thinking souls are seeking out the more attractive examples in pristine condition, and building interesting collections on the cheap.
One notable example would be the Tsunami from Squid Industries.
Automatic switchblade and gravity knives are prohibited.
A thin metal like material is the handle scale and often times there is no shield.
Any imported are liable to be seized and prosecution may follow.