Rare original Imperial German World War 1 'DEMAG' Crank Handle Ersatz Trench Knife Bayonet with Scabbard (Grabendolch). The lemmet is maker marked by the company of 'Demag' from Duisburg and marked 'Gesetzlich Geschützt'. The metal scabberd is in good condition, the leather closure strap is unfortunately damaged. Rare original World War 1 Trench Knife!