I get a kick out of some of these discussions, like everything needs a hand cannon to get it solved.
I have a turn of the century colt S.A.A. in 38.50 bisley.
While i won't describe to any extent the exact inscription, there is on inside the grip stating that handgun killed a grizzley bear, two shots, at 50 yards in mexico circa 1914.
The 38.50 ballistically is the twin to the .40S&W


THE BIRTH PLACE OF GERONIMO