English L1A4 bayonet by Hopkinson. L1A3 marked.(ABCN171-2)(K0)(JN0)

Semi-automatic rifle L1A1 Cal. 7.62 . Minty parkerized fullered Bowie type blade with a long fuller, first 3 cm blackened. Left ricasso is marked with a H in a Diamant shape. 71 (=Trademark of Hopkinson Ltd. -Sheffield)  Blackened pommel is riveted to the tang, marked: C in a box and H in a box on the reverse pommel side. T- type mortise slot. Correct L1A4 straight type crossguard with muzzle ring MRD 14.6. Facing the blade the crossguard is marked: H.  Black painted metal grips are riveted to the tang by two hollow rivets. Both grips are  marked with the NATO code of a L1A3 Enfield made model: L1A3 9600257 Ð71 and not the code of a L1A4. by S.M =Hopkinson Ltd.-Sheffield)
Minty and correct blackened steel No. 5 MK1 scabbard with round frog stud and brass throat,. No dents.

Last model of the L1 serial, introduced in the beginning of the 70. Only Hopkinson Ltd. of Sheffield made this L1A4 bayonet with a riveted pommel (and not brazed) and a different Bowie tip. (Also see the book: British and Common wealth bayonets from Ian Skennerton. Page 262.)
The L1A4 model is less common than the L1A3 bayonet.