1989
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
The serial number.
1986
your browning hi-power was made in 1974.
You must call Browning.
Your browning hi-power was made by FN of belguim for browning in 1969.
Exactly how is the pistol marked? 9mm browning serial number 72C44338
1971
Browning's customer service can assist you.
You must call Browning.
1990.