Its not a kukrithe spine isnt of kukri origin as the spine curves its not flat backed I have no official source for this but the design is actually modelled on the golok as carried by the australians around the time of the vietnam war British model MA httpiphotobucketcomalbumshhpoliticalanimalaumachetejpg the TF melee weapon of the sniper httpwwwwellingtonsurpluscomauimageslMAjpg  the golok