Eickhorn-Solingen Export bayonets have either black or OD M8A1 scabbard, sometimes but not always with MADE IN GERMANY markings. Manufactured from 80's.

M3 Combat Knife. Unmarked, in black M8A1 scabbard

M3 Combat Knife. Unmarked, in green M8A1 scabbard

M3 Combat Knife with nonstandard small guard. Unmarked, in green M8A1 scabbard

M4 in OD M8A1 scabbard

M5A1, in OD M8A1 scabbard

M6, in OD M8A1 scabbard

Later M6 in ES-made M10 scabbard, said to be manufactured for Mexico.

M3 Combat Knife with nonstandard straight guard.

OES version of M3, with serrated blade.