You must call Browning with the serial number or visit their website.
1976
50-650 usd
Browning's web site has a sn search function.
100-400 USD
Browning Auto-5 manufactured in 1965 by FN of Belgium
A browning auto-5 shotgun with the serial number you provided,was made by FN of belguim for browning in 1914.
Without a better description the range is 100-1000 USD.
The 76V sets your browning auto-5 shotgun as being made in 1976.
How do you remove the breech block on a Browning A5 16ga shot gun
The Browning A5 20 gauge with the serial number 9Z24439 was manufactured in 1970. Browning's serial numbers can be decoded to determine their production year, and the "Z" prefix indicates it was produced during that time. Therefore, your shotgun is approximately 53 years old as of 2023.
No
Browning.com has a sn function listed under customer service.