WW2 British Named 2nd Pattern Trademarked Fairbairn Sykes Fighting Knife

Measuring 11 3/4 inches overall wit ha 6 3/4 inch, double edged, stiletto blade, with the Wilkinson trade mark to the one side, and and the F-S Fighting Knife to the opposite side. Checkered brass handle with spherical shaped pommel nut. Etch engraved to the one side of the blade, " A.H. ACKERMAN from R.K.H." No markings or stamps to the cross guard. In the leather scabbard with the wide elastic still in place.