Open the action. It is stamped on the water table, which is the flat part of the frame where the barrels sit. sales@countrygunsmith.net
If it is a double, remove barrel and you will see it along with serial #.
The Lefever was mfg. in 1935.
around $6000
Requires professional appraisal.
1927
Turn of the century.
Blue Book of Gun Values
The shotguns were manufactured by Ithaca from 1921 through 1947. Yours was manufactured in 1928.
With the serial number that you provided,your Ithaca double barrel shotgun with the damascus barrels was produced in the year 1900.
Made in 1904. Value depends on grade and condition.
1896
Ithaca Firearms manufactured the Lefever Nitro Special shotgun with serial numbers between 101600 and 119899 in 1922.