You will need to supply the serial numbers to your shotguns to get the age of your browning shotguns correctly.
your browning sweet-sixteen with the serial number you provided was made by browning in belgium by FN in 1956.
With the serial number that you have supplied,your Browning Sweet sixteen was made in Belgium for Browning in the year 1956.
The Sweet Sixteen Shotguns were a model of the Browning A-5 Auto. They were made between 1937 and 1975. That does not appear to be a complete serial number.
Call Browning, give them the serial number, and they will tell you the age and a host of other information about your gun.
With the serial number that you have suppled,your Browning Sweet Sixteen was made in Belgium for Browning between 1957-1958.The A prefix was mixed for Sweet Sixteen numbers during this time with the highest number being 10,900.
Your browning sweet sixteen was made by browning in 1963.
Browning.com has a sn function under customer service.
Your browning sweet sixteen was made by browning in 1964.
Your browning sweet sixteen was produced in 1960.
your browning sweet sixteen was made in 1955.