By the serial number located on the bottom of the receiver. Check the number and re-ask on Wiki
I own a Browning A5, 12ga,Japan made shotgun, ser: 04078. what is it worth?
You will have to call browning with the sn to find out.
It was made in 1960
Need the serial number to answer.
This gun was made in 1972
You will need to call Browning.
on the bottom of the receiver
Matt Eastman's book on Browning.
It was made in 1972