Original German WWII Luftwaffe Gravity Knife by Solinger Metallwaren Fabrik with Waffen Proof - SMF Japanese Field Gear so this may have originally

so this may have originally been a scabbard for an NSKK dagger

with 1686 appearing on the underside of the barrel

with silver bullion embroidery

Herbert Johnson is a London firm of hatters and cap makers

Original German WWII Luftwaffe Gravity Knife by Solinger Metallwaren Fabrik with Waffen Proof - SMF Japanese Field Gear so this may have originallyOriginal Item: Only One Available. This is a very good condition example of an early war produced Type I version of the legendary Luftwaffe Fallschirmjger Messer, or German air force paratrooper knife (FJM or FKm). It was produced by Solinger Metalwaren Fabrik Stcker & Co. GmbH, also known as SMF, who were one of the major producers of this knife during WWII. Their "Seated King" over Solingen trademark is seen on the blade, as well as ROSTFREI (rust