Depending on condition and wether or not it has shell ejectors the value would be betwenn $500-$2600.
about $100 US.
The average cost of a Lefever Nitro Special shotgun at auction is $650. This amount may be higher or lower depending on the condition of the gun.
$25 to $100, depending on condition.
Despite the name, it is not a machine gun. Value seldom exceeds 100 USD
You've got too many numbers there. sales@countrygunsmith.net
Requires professional appraisal.
If it doesn't say Lefever somewhere on the gun, I don't think you have a Lefever.
The best that I can do is say that the Lefever Nitro special was made from 1921-1948.
In order to determine the age of Lefever shotgun, the serial number must be known. However, Lefever shotguns were only made and distributed between 1885-1916.
You need the services of an appraiser
Not enough information. What grade? What condition? sales@countrygunsmith.net
Your shotgun was manufactured in 1923, by Ithica Guns which took over the Lefever brand when they acquired the corporation in 1916.