M1918 Bayonet - sn 561870
Model 1918 Bayonet, manufactured by Elsener Schwyz. Includes scabbard and leather frog.
Blade has grind marks on the edge from a sharpening attempt. Scabbard has spots of heavy pitting.
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 1937.