The Model is "37," with the grade identified by a name (such as "Featherlight" or "Deerslayer") or a letter. Otherwise, it is a Field Grade, either Standard (2 3/4" chamber) or Magnum (3" chamber). I am aware of no public listing of Model 37 manufacture dates, but IDSA Books publishes Ithaca Featherlight Repeaters. They're on the net. However, your serial number denotes a fairly recent manufacture). 1973
Its an Ithaca Flues model made in 1921
Call Ithaca at 1 877 648 4222 and they will tell you.
Its an Ithaca Flues model made in 1921
Made in 1939
Made in 1963
You have an Ithaca Miner model made in 1907
Your serial number indicates that you have a Ithaca crass model double,that was made in 1903.
Made in 1966.
Made in 1977
1974
1989
Made in 1939