No way of knowing without you providing a detailed description of your shotguns overall condition,original finish remaining,and bore condition.
This question cannot be answered without you giving a detailed description of the overall condition of your Winchester model 1897 shotgun.
Your Winchester model 1897 was produced in 1915.
Your winchester model 1897 pump shotgun was made by winchester in 1921.
Your winchester model 1897 pump shotgun was made early on in 1900.
With the serial number that you provided,your Winchester model 1897 pump action shotgun was made by Winchester in 1924.
with the serial number that you provided,your Winchester model 1897 pump action shotgun was produced in the year 1902.
If your Winchester model 1897 shotgun has between 10%-60% of its original finish remaining,then it will be worth between 150-300 dollars.
with the serial number that you provided,your Winchester model 1897 pump action shotgun was made in the year 1906.
With the serial number that you have supplied;your Winchester model 1897 pump action shotgun was made in the year 1914.
With the serial number that you have supplied,your Winchester model 1897 pump action shotgun was made in the year 1910.
With the serial number that you have provided,your Winchester model 1897 pump action shotgun was made in the year 1922.
With the serial number that you have supplied,your Winchester model 1897 pump action shotgun was made in the year 1925.