There is no way to age your browning auto-5 shotgun without a serial number.As to the value,this would be 450 dollars for a shotgun in the condition that you describe.I can say that the Browning auto-5 standard weight shotgun in 16gauge was made from 1946-1964.
your browning model auto-5 shotgun is valued at between 375-650 dollars.
1964
you would need to include if the shotgun in question is a sweet-sixteen auto-5 shotgun,or a browning side by side,or a standard weight auto-5 shotgun and the condition of your shotgun to get a accurate value .
Your browning magnum auto-5 shotgun was made by FN of belguim for browning in 1964.
50-500 usd
Need a detailed description
50-500 usd
250
Depending on age and condition of your browning semi-auto shotgun?You will find the value ranging between 350-550 dollars for your browning auto-5 shotgun.
Your browning auto-5 shotgun which was made in 1970 is valued at between 375-550 dollars.
Your serial number indicates that you have a Browning light weight model auto-5 shotgun that was made in the year 1964.