You have an Ithaca Flues model, if it is a sxs double not stated in ques made in 1924. Can not provide more information without the stampings on the watertable and barrel flats
You can tell how old your Ithaca gun is by the model and serial number
By the serial #
You have a Ithaca Model 49 Saddle Gun which was mfg between 1962-1978.
By the serial #
No way to answer. Serial numbers do not work that way.
You need to provide the serial number.
1905
Impossible to answer without the serial number
Look in "The Ithaca Gun Company - From the Beginning"
We can't tell from a serial number alone.
You have an Ithaca Miner model made in 1907 if it is a sxs double not stated in the ques.
double 12 ga