On the left side of the butt socket it has a crown. Under that crown it has ENFIELD. Under that it says 1900
Under that it is stamped L.E.C.
Under that there's a large I stamped
Near the very bottom of socket, stamped sideways, it's marked BR and under that there's an 86
Also missing is the magazine cut-off.
The bolt handle is a welder replacement as you can see.