German export KCB/M1/KH bayonet made for Australia, Argentina and South Africa.(ABCN158-2)(K0)(JN0)

Steyr AUG(=Armee Universal-Gewehr) 5.56 x 45 mm NATO Cal. automatic rifle. / F88 5.56 mm rifle. Multi Purpose bayonet. Minty blackened plain saw back blade with a Bowie tip and a hole for a wire cutter attachment. Parkerized pommel and crossguard with a muzzle ring. MRD 22 mm. Bottle opener on the crossguard. Drab olive plastic grips, secured by one single screw. 
Minty drab olive plastic scabbard with blackened mounts, a detachable green khaki frog,a retaining strap, a belt hook and a lace hole in the tip. 

Made in Germany by Eickhorn -Solingen in 1977 and used by Australia as KCB M1/KH. for trials with the Steyr AUG rifle and the F88 rifle. (Ref. Ian Skennerton: British Common wealth bayonets. Page 318)
This bayonet was also used by Argentine tank divisions in a very limited quantity.
South Africa ordered 100 examples (S11) for trials on their R4 rifle.  (Ref. Ian Skennerton: British Common wealth bayonets. Page 408)