I currently bought a 1400 mark 2 20 ga. and while i was researching i came across this page. I found out that my gun was made between 1968 and 1974 at this site http://www.shootingusa.com/GUN_QUESTIONS/gun_questions.html copy and paste it. I dont know if your gun is a mark 2 or what but maybe this will help.
How old and how much in value is a Winchester semi- auto 12 gauge shotgun model 1400 MK II serial number 483251
Your winchester model 12 shotgun was produced by winchester in 1947.
Your Winchester shotgun was manufactured in 1914.
Cannot be answered unless you include the model of WInchester shotgun in question,along with the serial number.
If the data has been published, yes. If not, made from 1968-74.
your Winchester model 1897 shotgun was made in 1914 with the serial number that you provided.
Your serial number indicates that your Winchester model 1897 shotgun was made in the year 1903.
There were no serial numbers stamped on the original Winchester Mdl. 37, single shot shotgun.
Your winchester model 12 shotgun was made by winchester in 1947.
Your Winchester model 1912 pump action shotgun was made by Winchester in 1917,with the serial number provided.
Your serial number indicates that you have a winchester model 101 in 20gauge.This shotgun was made by winchester in 1966.
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.