Lefever made several models through three different versions of the company. Not enough information.
SN 2833331 all original Same SN on all parts
If it is a double, remove barrel and you will see it along with serial #.
The Lefever was mfg. in 1935.
around $6000
Turn of the century.
An early model Lefever single-barrel 12-gauge shotgun with a 30-inch plain barrel can be found for sale online for $300. This is the price for one that is in excellent condition.
The best that I can do is say that the Lefever Nitro special was made from 1921-1948.
Blue Book of Gun Values
What is the value of a 12 gauge double barrel shotgun made in 1970?
The shotguns were manufactured by Ithaca from 1921 through 1947. Yours was manufactured in 1928.
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
Your Shotgun was made by Lefever from 1885-1919.Lefever started business in the year 1885.A (G grade) model hammerless 12 gauge shotgun will range in price from 800-1,400 dollars for a gun showing between 10%-70% of its original finish remaining,and a good set of bores.
Made in 1904. Value depends on grade and condition.