Can you tell what a Fox Sterlingworth side by side 12 ga double barrel shotgun with the serial number 23902 and Ansley Fox written on it might be worth?

12 gauge intro. in 1910 and in 1911 mr.ansley fox resigned ,the books i have show sterlingworth starts with a 50,000 serial #.ends with 161,556,if the serial # u gave is correct it says ur's should be an a-f grade,u can find out more info by contacting john t. callahan theres a 25 to 35 dollar charge but will be well worth checking out.the address is 53 old quarry rd.westfeild,ma 01085 send a good picture as well