1969 is the year and "G" stands for Lightweight 12ga.
You have an American Browning 12ga. made in 1945.
If you have a Browning auto-5 shotgun in 12ga,then it was made in the year 1925.If you have a 16ga shotgun then it was made in 1929.
A Lefever 12 gauge shotgun with the serial number 185518 was likely manufactured around 1915. Lefever shotguns were produced in various years, and the specific serialization can help narrow down the production date. For the most accurate dating, it’s advisable to consult a detailed Lefever serial number reference or a firearms expert.
The Lefever Arms Model G shotgun with serial number 32873 was likely manufactured around the year 1910. Lefever Arms produced shotguns from the late 19th century until the early 20th century, and serial numbers can help date specific models within that range. For precise dating, it is recommended to consult a detailed serial number guide or Lefever Arms records.
The Lefever Model H double barrel shotgun with a serial number of 30025 was manufactured in 1908. Lefever Arms Company produced this model between 1900 and 1915, and the serial numbers can help pinpoint the production year.
Your serial number indicates that your Winchester model 12 shotgun was made in the year 1946.
I would say that with the serial number 1321XX,we are looking at your shotgun being made by ithaca(who made the lefever nitro special) in 1924.
Your Shotgun was made by Lefever from 1885-1919.Lefever started business in the year 1885.A (G grade) model hammerless 12 gauge shotgun will range in price from 800-1,400 dollars for a gun showing between 10%-70% of its original finish remaining,and a good set of bores.
According to doublegunshop.com the year of mfg would be 1922
With the serial number that you have supplied,your Winchester model 12 pump action shotgun was made in the year 1921.
Being that you said auto shotgun,then you have the Browning auto-5 shotgun that was made by FN in Belgium from 1903-1975.Your serial number indicates that your Shotgun was made in the year 1938.