Raimey, that's the best photo of the mark on the barrel flats available; somehow most sellers on Naturabuy can't take a decent photo. But while we're whiling away the dog days of non-hunting season, here are two more Saint Etienne guns rechamsbered from 65 to 70:






And here is an 1890's Manufrance 16 gauge chambered for 7.5 cm again making me wish there were some publication out there on French shotgun shells from that era:
https://www.naturabuy.fr/cal-16-75-remis...em-3143203.html





Baluch are not Brahui, Brahui are Baluch