A5
your browning model auto-5 shotgun sweet sixteen was made by FN of belguim for browning in 1967.
The serial number prefix 1S was assigned to the browning sweet sixteen model of the auto-5 shotgun in the year 1961,So yes you have a Browning sweet sixteen shotgun.
Both the sweet sixteen model and the regular production semi auto shotguns were Browning auto-5 shotgun models.The regular Browning auto-5 shotgun had engraving on the receivers just like the sweet-sixteen.
Your Browning sweet sixteen model auto-5 shotgun was made in the year 1956.
The prefix of 2R was assigned to the Browning standard model 16 gauge auto-5 shotgun which was made in the year 1962.If you had a sweet sixteen model auto-5 shotgun,then the prefix to your serial number would have been 2S.Therefore you do not have a sweet-sixteen model Browning shotgun.
Your serial number indicates that your Browning sweet sixteen model auto-5 shotgun was made in the year 1951.
With the serial number that you have provided;your Browning sweet sixteen model auto-5 shotgun was made in the year 1955.
Your serial number indicates that your sweet sixteen model Browning shotgun was made in the year 1954.
Your serial number indicates that your Browning sweet sixteen model shotgun was made in the year 1960.
Your serial number indicates that your Browning sweet sixteen model auto-5 shotgun was made in the year 1931.
With the serial number that you have supplied,your Browning Sweet Sixteen model auto-5 shotgun was made in Belgium for Browning in the year 1953.