This is one of the oldest examples of a trench knife I've seen. You see the marking here, on the blade? That says to me that this is the real deal.



  • Fact 1: This is an example of the first knife commissioned by the U.S. Government for WWI, and was manufactured by American Cutlery Co. in Chicago, Illinois.
  • Fact 2: The three-sided blade was designed to pierce German trench coats, which could deflect attacks from other, more traditional blades.
  • Fact 3: The Geneva Conventions banned three-sided blades in warfare because the wounds they cause encourage infection and are difficult to sew close.
  • Fact 4: This knife was nicknamed "the knuckle duster".
  • Fact 5: Many of the first trench knives were made from repurposed bayonets or swords, which were cut down and given handles.

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