Original U.S. WWII M3 Fighting Knife by Kinfolks, Inc. with M8 Scabbard - Crossguard Marked Version U.S. Grenades This is most likely from

This is most likely from when it was converted to 6

There are some more border designs above this

The only fading is on the rear of the cap on the fold

made for the M-1854 Dreyse Needlefire Jäger Rifle

Original U.S. WWII M3 Fighting Knife by Kinfolks, Inc. with M8 Scabbard - Crossguard Marked Version U.S. Grenades This is most likely fromOriginal Item: Only One Available. This is a fine service used WWII period Mark 3 U. S. fighting knife, made by the very scarce maker, Kinfolks, Inc., and contained in an original M8 Scabbard. Of the 2,590,240 ordered by the U. S. Government, Kinfolks of Little Valley, NY produced only 119,702, and was definitely one of the minor contractors. The company still exists today, producing fine cutlery. This knife is later production, indicated by the maker