The number refers to a high-carbon steel reproduction of a German World War I trench knife, manufactured by Boker (Böker Solingen). Product Details: Boker 121918 Trench Knife
: It comes with a high-quality leather sheath featuring a metal tip, mirroring the original historical equipment. 121918
: It typically features a C75 high carbon steel blade, which is known for its excellent edge retention, and a ribbed walnut wood handle . The number refers to a high-carbon steel reproduction
: The blade length is approximately 5.67 inches (144 mm), with an overall length of about 10.08 inches (256 mm). : The blade length is approximately 5
This "piece" is an authentic recreation of a compact combat knife originally commissioned by the German Ministry of War in 1915 for close-quarters trench warfare.
: Each knife is individually marked with a serial number , making it a recognized collector's item and a "piece of world history". Boker Trench Knife Walnut 121918 | American Edge Knives
: The knife includes a massive stainless steel crossguard and an official tang stamp identical to the original 1915 issued versions.