Depends upon condition. Start with looking up the age using the serial number.
I own a Browning A5, 12ga,Japan made shotgun, ser: 04078. what is it worth?
It should.
1924
It was made in 1929
Impossible to answer without the serial number.
Library.
Impossible to answer without the serial number.
This is a 12ga, it was made in 1935.
This is a 12ga. made in 1937
It is a 12ga Magnum made in Herstal Belgium in 1962.
Which guage? If 12ga it was made in 1926 If 16ga, it was made in 1930
see browning.com for list of serial numbers ds You have a lightweight 12ga made in 1967 auto5man