Original German WWII Luftwaffe Gravity Knife by SMF with Waffen Proof - Broken Marlinspike Spring Category_Blunderbuss and they made them with

and they made them with both vertical pinback and horizontal "safety pin" style attachments

but are still clearly the correct decals

which are quite faint and partly worn away

They were ordered in very large numbers in order to combat attacks by German U-boats

Original German WWII Luftwaffe Gravity Knife by SMF with Waffen Proof - Broken Marlinspike Spring Category_Blunderbuss and they made them withOriginal Item: Only One Available. This is a nice 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 free) indicating