You must call Browning.
Your browning high power was produced in 1980.
Proofhouse.com has Browning sn info.
1985
100-1000 usd
The 2 letters PY found in the serial number sequence indicate that your Browning High Power was made in the year 1982.
Your browning high power was made during the years 1945-1954 in which browning and FN of belguim did not keep track of the production figures of the high power.The records began with serial number 72251 which was in 1955.
No way to answer since you did not provide the serial number.
The prefix numbers and letter 72C indicate that your Browning High power semi auto pistol was made in the year 1972.
The prefix of 8L indicates that you have a Browning safari bolt action rifle that was made in the year 1968.
i sold my high power 9mm pistol for $450 last year.
The 2 letters in the middle of your browning hi-power indicate that it was made in the year 1990.