hello,,the serial number doesn't help with remington shotguns to tell what guage it is what barrel it has if it has interchangable chokes or what year it was produced unless you have access to individual records from remington ,,remington uses a date code stamped usually on there barrels on the left side near the receiver but this code is only if good if the barrel has never been replaced ,,you can use this link under the remington section to determine the date produced
https://store.bluebookinc.com/info/PDF/Firearm/
Serialize.pdf ,,then if you give us the details like what guage and barrel specs and if any special edition we can give an accurate value
bigcurt
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