ORIGINAL EARLY WORLD WAR 2 ERA M1891/30 MOSIN-NAGANT RIFLE SPIKE BAYONET.
KOBAKOVA- KOMARICKOVO MODEL. 
WITH ADDITIONAL AIM PROTECTION.
VERY RARE!

GROUND DUG. 
FOUND IN EASTERN FRONT 1941 YEAR BATTLE AREA.
FIRST DAYS OF BARBARROSA CAMPAIGN.

MORE INFO ABOUT THIS TYPE OF BAYONET, LINK BELOW 
( PLEASE COPY ):
http://warstory.ru/articles/shtyki/shtyki-rossii-sssr/shtyk-kabakova-komaritskogo-s-namushnikom-panshina-k-vintovke-sistemy-mosina/