To my knowledge the only maker mark on fire axes you will find will be Horster.

Obverse.JPG (39.9 KB, 171 downloads)
Reverse.JPG (41.9 KB, 173 downloads)
TM.JPG (39.27 KB, 172 downloads)
Obverse Blade.JPG (39.45 KB, 171 downloads)
Reverse Blade.JPG (39.14 KB, 171 downloads)
Obverse Blade Front.JPG (40.11 KB, 172 downloads)
Obverse Blade Rear.JPG (39.42 KB, 171 downloads)
Reverse Blade Front.JPG (39.43 KB, 171 downloads)
Reverse Blade Rear.JPG (39.41 KB, 171 downloads)

Always looking for Eickhorns and etched bayonets.