Rifle 61 SMLE, No. 1 Mk III*.  BSA, 1918.  Canadian "C and broad arrow" cartouche on receiver and right side of buttstock.  Marking disk is marked "1RNR" - 1st Royal Newfoundland Regiment.  This is the regiment's post-1918 designation after having been created "Royal" by King George V for its superb performance in France between 1915 and 1918  95% finish.  Wood VG with usual dings and dents.  Bore is sharp and bright.  All matching (receiver, barrel, bolt, sight, nosecap, and forestock).  No import marks.

And before you ask "Why isn't this rifle in with the Canadians?", remember that Newfoundland proudly called itself "England's Oldest Colony".  Newfoundland was a colony during WWI and did not become part of Canada until 1949.