The Mark 1 was common and cheaply built, and nobody really liked it. Soldiers modified these things with new grips and guards all the time.



  • Fact 1: The USN Mark 1 Utility Knife was the standard-issue knife given to sailors in early WWII.
  • Fact 2: Most Mark 1 knives issued in the early days of WWII had been in storage for thirty years.
  • Fact 3: The standard Mark 1 handle featured a heavy brass-knuckle-style finger guard, which many soldiers disliked and often replaced in the field.
  • Fact 4: This particular Mark 1 has been fitted with an elk-antler handle and scrubbed of its original patina, which lowers its collector's value.
  • Fact 5: The unpopular Mark 1 was replaced in 1943 by the Army M3 Trench Knife and the USMC Mark 2 Combat Knife.

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