1987
It was made in 1947
The shotgun was manufactured in the year 1900. Reference: http://doublegunshop.com/dgsnos3.htm I have one made in 1913.
1969
It was manufactured in the year 1920.
1979
No way to answer without knowing the model.
Need the serial number to answer.
If your browning shotgun is a auto-5 in 16ga. then it was made in 1929.
Impossible to answer with the information given. Who made it? Is it a rifle, pistol or shotgun?
Impossible to answer without a detailed description.
1926-1945