Finnish M 1928 bayonet with tubular rivets by HACKMAN & Co. (ABC530-1)(K 829) JN0)

Mosin Nagant M 1928 SK rifle. / M 1928 bayonet. Serial number: 54031 on the back of the blade tang. Excellent bright finished convex fullered blade with the Finnish maker's name; HACKMAN & Co on the ricasso. Excellent bright finished pommel and crossguard with a muzzle ring and a short quillon. T-Slot in pommel. MRD 16.2 mm. No oil hole in pommel. Blued catch. Excellent+ selected wood grips with clearly visible grains, riveted to the blade tang by two steel tubular rivets.
Excellent blued ribbed steel scabbard without any dents. 

A very scarce bayonet, this is the model with steel tubular rivets. It is the most rarest bayonet of the the serial and not often encountered