Can't be answered since the serial number is not provided
The letters NZ in your serial number dates your browning Hi-power to the year 1991.
The RN in the middle of your serial number indicates that your Browning Hi-power was made in the year 1997.The Browning Hi-power is produced by FN in belguim.
The 2 letters in the middle of your browning hi-power indicate that it was made in the year 1990.
Your browning hi-power was made by F N in belguim for browning in 1968.
Could it be that your browning hi-power is marked 70C19171? If it is then it was made in 1970.
With the serial number that you provided,your Browning Hi-power was produced in the year 1968.
The 2 letters NY in the middle of the serial number indicate that your Browning Hi-power was made in the year 1992.
The letters PM in the serial number sequence indicates that your Browning HI-Power handgun was made in the year 1980.
The letters PT in the middle of your serial number indicates that your Browning Hi-power was produced in the year 1986.
Your browning high power was produced in 1980.
The 2 letters found in the middle of your serial number indicate that your Browning hi-power was made in the year 2001.
1975