WW1 Imperial German Trench Knife with 155mm long single edged blade maker marked Gottlieb Hammesfahr, Solingen Foche. Overall length 277mm. Complete with scabbard. Press stud missing from retaining loop.
German WW1 Demag Trench Knife D278
WW1 Imperial German Trench Knife
trench dagger, German, with scabbard | Imperial War Museums
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Boker WWI German Army Trench Knife 5-5/8" Blade, Original Specs - KnifeCenter - 121918