Same round, different weapon design.
The 76C prefix dates your browning 9mm hi-power to 1976.
Yes, It is the same as the 9mm Hi Power Manual.
your browning hi-power was made in 1974.
Your Browning Hi-Power 9mm handgun was made in the year 1959,and will bring between 300-600 dollars depending on overall condition and a good bore.
1968
Belgium
Browning High Power
Your browning hi-power was made by FN of belguim for browning in 1969.
A browning Hi-Power semi auto 9mm pistol is currently valued at between 325-525 dollars for a example displaying between 60%-95% of its original finish,and a good bore.
I am aware of only one chambering in the Browning hi-power,that is 9mm parabellum.
With the serial number that you provided,your Browning Hi-power was produced in the year 1968.