If it is a double, remove barrel and you will see it along with serial #.
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
The Lefever was mfg. in 1935.
1927.
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.
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.
The best that I can do is say that the Lefever Nitro special was made from 1921-1948.
describe the type of shotgun and recheck the serial number
Not enough information. What grade? What condition? sales@countrygunsmith.net
Hopkins & Allen
The LeFever New Nitro 12 gauge shotgun was manufactured from 1936 to 1948. If it is in good condition, it can be worth about $400 to $500.
around $6000
I have an original 16 ga. nitro special made by Lefever. The sight bead is one eighth if an inch in diameter.