I recently won a No 1 MK III* at an auction in Yellow Spring, WV.
I was bidding on the rifle because it was from 1917 and in excellent shape.
All numbers match, even the follower on the magazine (I believe) and the bore is excellent.
All mechanics work as they should.
Rifle cycles 303 brass as it should (I've not fired it yet.)
The only markings on the stock is a shallow stamping of "J.G." on the left side.
Stock disk is present but bare and painted black.

From other Enfield people I believe the "C.R." royal cipher is actually "G.R." from a worn die.

Once I got home I saw the "U S" markings on the collar and receiver.
I've got a couple of Khyber Pass rifles from my youth and this one just does not feel like one.
Just to much detail that appears appropriately worn for age.

Not sure how to include my images with this question.

In any case, can anyone tell me what this may be ?

Many thanks.
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