I cannot provide a answer unless you include the serial number to your Winchester model 12 pump action shotgun.
Winchester did not make a model 96 shotgun,they did make a model 97 shotgun however.
Your winchester model 1897 shotgun was made by winchester in 1927.That makes your shotgun 84 years old.
your Winchester model 12 shotgun was made in 1949.
Your winchester model 12 shotgun was produced by winchester in 1947.
your winchester model 1897 shotgun was made by winchester in 1956.
Cannot be answered unless you include the model of WInchester shotgun in question,along with the serial number.
Your Winchester model 1897 shotgun was made by Winchester in 1909.
In order to answer your question correctly,I would need to know the model of Winchester shotgun that you are asking about and the serial number of the shotgun in question.
your winchester model 12 shotgun was made in 1940,that makes it 71 years old.
Made from 1949-54.
With the serial number that you provided,your Winchester model 1897 pump action shotgun was produced in the year 1914.
The Winchester model 1901 shotgun was made between the years 1901-1920.