No way to answer.
By the serial #
It sounds as if you have a Ithaca Crass model shotgun,that was produced in the year 1903 by your serial number.
It was made in 1919.
1896
5 years
With the serial number that you provided,your Ithaca double barrel shotgun with the damascus barrels was produced in the year 1900.
Around July of 1925
Need to know model
To determine the age of the Ithaca XL 900 shotgun with serial number S1934268, you would typically need to consult Ithaca's production records or a database that tracks serial numbers. The Ithaca XL 900 was produced primarily in the 1970s and 1980s, so the shotgun is likely from that time period. For an exact year, it's best to contact Ithaca Gun Company or refer to a dedicated firearms historian.
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.
Made in 1968
Made in 1949