Impossible to answer without more information.
According to OldGuns.net, the year of manufacture for Winchester Model 1912 serial number 466271 is 1927. Not sure if this is your gun, or what the value is.
Your serial number indicates that your Winchester model 1912 shotgun was made in the year 1920.
With the serial number that you supplied,your Winchester model 1912 pump action shotgun was made in the year 1916.
Please include the serial number(to date your shotgun) and the overall condition to get a accurate value to your Winchester model 1912 pump action shotgun.
with the serial number that you provided,your winchester model 1912 shotgun was made by winchester in 1930.
Your Winchester model 1912 pump action shotgun was made in 1916 with the serial number that you provided.
your model 1912 Winchester shotgun was made in 1918.
A few hundred to multiple thousands of USD depedning on EXACTLY what you have and its condition.
1919
1919
1913.
Your Winchester model 1912 pump action shotgun was made in 1917 with the serial number that you provided.