very nice 9x57 with original Zeiss Ziel 4 on claw mount
typical Suhl made 1/3 octogonal to round barrel. the nicest barrel profil ever!

pistol grip looks exactly like my Steigleder Mauser in 11,2x60 Schüler. must have been the same stockmaker for sure. chance is very high that Robert Schüler was related to the Schüler family in Suhl.
my rifles pistol grip: