Original WWI A.C. Co. USA M1918 trench knife spike manufactured by A.C. Co. This iconic trench fighting weapon features the distinctive triangular spike blade developed for close-quarters combat during World War I. The knife shows age-related wear, handling marks, and patina consistent with military service and long-term storage, retaining its original wartime character.
The M1918 trench knife was one of the most recognizable American edged weapons of World War I, designed specifically for trench warfare and issued to U.S. forces during the conflict. A.C. Co. was among the wartime manufacturers producing these knives, making original examples highly sought after by collectors of U.S. military memorabilia and WWI edged weapons.
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