The serial number.
1969
1994
Call Browning.
browning used the last two digits of the year before the serial number on the 9mm from 1970 until 1976 so your 9mm was made in 1973
You must call Browning.
This gun was made in 1976
It was made in 1987
See link.
Your browning hi-power was made by FN of belguim for browning in 1967.
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.
1971
No.