WW2 British Mk.II Helmet - Royal Artillery

A Mk.II helmet and liner in fantastic condition. The helmet retains all of its factory paint both inside and out marked R.O.C.O 18 I 1939. The MkI liner is complete and in great condition being marked 6 3/4 J.C.S & W LTD I 1939. The front of the helmet has a complete Royal Artillery. This is undoubtedly the best example of a Mk.II with decal that I have come across and I would assume belonged to an officer.