In an excellent condition a 2nd model/ version of the Mosin Nagant bayonet, otherwise called the M1891/30 bayonet.
These specific type bayonets were used by the Russians during WWII and were crudely made (in haste). In 1930 the old style M1891 bayonet was re-designed by E.K. Kabakow and J.A. Komaricki with a new socket and press stud, hence the addition of the name /30.
The blade is in crucifix style and has a characteristic screwdriver end. Near the press stud it is marked 6815. Also the marking OX
Blade length 42.7 cm
Overall length 49.9 cm