That is a tough one. Try writing to The American Rifleman (the NRA magazine) to see if they ever ran a disassembly article on the Flues model (although that is unlikely since the Flues was made from 1908 to 1926). You will likely have better luck contacting the Ithaca gun collector clubs and see if anyone ever drew one up. That may cost a few bucks.
Parker 12 ga muzzleloader
If that is an old double barrel "New Ithaca Double" it was made in 1926.
sawed-off double barreled 12 gauge Remington shotgun.
Gun shop, gun show, Shotgun News, Gun List
The double barreled red chieftain of course!
50-100 or so
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
Stephens
Its an Ithaca Flues model made in 1921
Stevens Arms made the Ranger shotgun for Sears & Roebuck. Production ended about 1930.
No.