With the serial number that you provided,your Ithaca double barrel shotgun with the damascus barrels was produced in the year 1900.
Impossible to answer without more information.
If it is a double, remove barrel and you will see it along with serial #.
Around July of 1925
it is worth about 400 dollars
Exactly how is the shotgun marked (all markings), and double-check the serial number. firstname.lastname@example.org
That is impossible to determine without knowing the manufacturer and model of the shotgun.
213409 nitro special