German (Prussian)M 95/17 trials bayonet. WWI by GEBR. HELLER- MARIENTHAL. . (Roy Williams Page 508 -364)(ABC 0)(JN0)(K0)

Experimental Mauser M88/95 rifle. M 95/17 trials bayonet. Excellent bright finished fullered blade with German maker's name : GEBR. HELLER over MARIENTHAL on the ricasso. Some light peppering in the fullers only. Prussian W over date: '17 and a Crown over a Gothic inspection mark faint on the blade spine. T-O slot in the pommel is altered by a steel insert and changed to a short mortise with a T slot. The length of the mortise is now 30 mm. Crossguard replaced by a new crossguard with a very small ring(  0,9 cm!)to fit the cleaning rod and not the muzzle!  Clear German controle marking on the new crossguard. Excellent wooden grips secured with screws and bolts to the blade tang. Oil hole in grip. Excellent modified flash guard.
Excellent unmarked blued steel WWI scabbard with no dents. 

An extremely rare trials bayonet for the experimental M 88/95 Mauser rifle which later became the M 98 Mauser rifle. Made in 1917 from an existing M84/98 Second model bayonet. Not much is known about this bayonet. Only recorded by Roy Williams in his book: The collectors book of German bayonets 1680-1945 Part One Page 508- Item 364.(see last pict.)