WW1 British Largepack 1915 - Officer Of The Royal Scots

WW1 British 1915 dated '08 pattern largepack with initials to front 'J.W.S.W RS ' these being the initials of an officer in the Royal Scots. Pack marked 'MW&S' for the Mills , Wright & Sons . Cursory research point towards this being JW Withinshaw commissioned 18th July 1916 to the 10th Cyclist Battalion Territorials. Seconded ( Transferred 10th December 1917) .