approx. 1924 according to website: http://marauder.homestead.com/model97sn.html
Your Winchester model 1897 was made by Winchester in 1955.
You will need to include the model number of your Winchester shotgun,along with the serial number to get a accurate year of production.
The number 1400 refers to the Model number of your Winchester shotgun.
The number that you have listed is the serial number,not the model number.That will be needed to identify the production year of your rifle/shotgun.
With the serial number that you provided,your Winchester model 50 shotgun was made in the year 1955,which was the second year of production.
Winchester did not keep records of the production of the model 370 shotgun by year. I can say that the model 370 was made during the years 1968-1973.
I can say that Winchester made the model 1400 shotgun from 1964-1981.But they did not record the serial numbers by year of production.
Your Winchester model 20 shotgun was made early enough to have a date listed by serial number.After serial number 11253 Winchester lost the remaining records.Your Winchester model 20 was made in the year 1920.There were a total production of 23,616 shotguns of this model made.
Your serial number indicates that your model 42 shotgun was made in the last year of production,which was 1965.
Your winchester model 12 shotgun was made by winchester in 1922.
your winchester model 12 pump shotgun was produced by winchester in 1942.
your Winchester model 12 shotgun was made by Winchester in 1959.