The Russian Empire. The dagger is a soldier's bebutt, a curve of the 1907 model of the Izhevsk Arms Factory. The receiving brand "P" on all the main parts: the blade, the handle and the scabbard. The blade is in excellent condition, has not been sharpened.
The hilt and scabbard were repainted. Wooden pad on the handle with an old crack. Total length mm, blade length mm, blade heel width/thickness mm.