Model 1918 Bayonet, manufactured by Waffenfabrik Neuhausen. Includes scabbard and leather frog.
There are a few light marks in the metal on the left side of the blade. Pommel has scratches and some impact marks present. Light gouge on the right side walnut grip.
These bayonets were issued with the K11 and K31 Carbines.
The serial number indicates that this bayonet would have been issued with a K31 Carbine produced in 1934.