German Esatz bayonet EB37 (notbajonett M88/89)

This is an excellent condition Ersatz bayonet EB37 but shortned (by Turkey...?) Excellent blued pommel and scabbard. Only markings are the number 4251 and an unknown marking (see photo's). Blade is unfullered and shortened. Scabbard frog stud has changed (or ersatz scabbard), it has a round frog stud which is different then the oval sizes frog stud they would use in Turkey. No other markings present. Blade length