With the serial number that you provided,your Ithaca hammer less double barrel shotgun was made between the years 1904-1907.I could not asses a value of this shotgun without a brief discription of its condition.I will say that most shotguns of this age and make will bring in the neighbor hood of 400 dollars and up.
With the serial number that you provided,your Ithaca double barrel shotgun with the damascus barrels was produced in the year 1900.
Its an Ithaca Flues model made in 1921
Try www.gunbroker.com
Its an Ithaca Flues model made in 1921
If that is an old double barrel "New Ithaca Double" it was made in 1926.
1896
Try here - http://www.ithacagun.com/e -
It sounds as if you have a Ithaca Crass model shotgun,that was produced in the year 1903 by your serial number.
It sounds to me that you have a Ithaca Flues model double barrel shotgun.With the serial number that you provided,your shotgun was made by Ithaca in 1917.
The exact value of a 1909 Ithaca double barrel shotgun stagecoach model would actually be dependent upon a number of factors. The most important factor that would be considered is the condition of the shotgun.
Around July of 1925
it is worth about 400 dollars