Austria-Hungary, Empire. A Rare Pola U-Boat Base Deep Sea Diver’s Knife, Owner-Attributed, By Weyersburg, Kirschbaum & Cie. Hold Both are quality period strikings

Both are quality period strikings

very slight enamel chipping at 9 o'clock position of centrepiece outer ring

along with nine smaller faceted rays between each arm

A private purchase

Regulations required that oxygen be used above 12

Austria-Hungary, Empire. A Rare Pola U-Boat Base Deep Sea Diver’s Knife, Owner-Attributed, By Weyersburg, Kirschbaum & Cie. Hold Both are quality period strikings(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