Austria-Hungary, Empire. A Rare Pola U-Boat Base Deep Sea Diver’s Knife, Owner-Attributed, By Weyersburg, Kirschbaum & Cie. GTRexclude date marked "u" (1935) and

date marked "u" (1935) and engraved in capitals "F

on 15 April 1897

exhibiting surface rust throughout

5 mm inclusive of its crown and crossed swords suspension

1943 and signed in blue ink by the Supreme Commander of the Baltic Sea Naval Station

Austria-Hungary, Empire. A Rare Pola U-Boat Base Deep Sea Diver’s Knife, Owner-Attributed, By Weyersburg, Kirschbaum & Cie. GTRexclude date marked "u" (1935) and(Helmtauchermesser). A rare and exceptionally well preserved Austro Hungarian Navy deep sea divers knife, measuring 34. 5 cm in total length when fitted with its scabbard. It features a 21 cm long magnetic steel blade with a blunted tip and sharpened lower edge. Stamped onto the reverse ricasso is a makers mark of WKC for Weyersberg, Kirschbaum & Cie, Solingen, topped by the firms classic knights helmet logo. The obverse ricasso bears a further