Bellmore is a known trade name used by the HD Folsom Company, which was a major firearms distributor 100 years ago. The guns were produced by the Crescent Firearms Company. Value on the single-shots will be under $100, even if in top shape. sales@countrygunsmith.net
Bellmore Gun Co was a store-brand manufactured by Crescent. I don't know what you mean by the "code".
The stevens model 9478 shotgun was made between 1978-1985.
If your Winchester model 1897 shotgun has between 10%-60% of its original finish remaining,then it will be worth between 150-300 dollars.
Most of these older Stevens pumps will sell between $150 and $250
The Winchester model 1901 shotgun was made between the years 1901-1920.
Your stevens model 77F shotgun is valued at between 60-120 dollars,based on your shotgun having between 60%-90% of its original finish remaining,and a good bore.
Your winchester shotgun was made by winchester in 1899.
Your gun was made between 1920 and 1948.
The Winchester model 1200 shotgun is a pump action shotgun.
The value of your Winchester model 1500xtr shotgun is between 160-240 dollars,for a gun with between 60%-95% of its original finish remaining,and a good bore.
The model 5100 Stevens shotgun has a plastic stock
Your Winchester model 1400 semi-auto shotgun is valued at between 140-220 dollars,depending on overall condition and a good bore.