Ithaca Firearms manufactured the Lefever Nitro Special shotgun with serial numbers between 101600 and 119899 in 1922.
I would say that with the serial number 1321XX,we are looking at your shotgun being made by ithaca(who made the lefever nitro special) in 1924.
That Lefever was made in 1923.
The lefever Nitro special was made by Ithaca Arms from 1921-1948.That being said i believe that yours was made in 1927.I do know that you can contact Ithaca arms and they will date your shotgun for you.
The Ithaca Gun Co manufactured the Lefever single barrel shotguns under the Lefever Arms Co. name after it acquired the company in 1916. This model was made between 1927 and 1942; the serial number indicates yours was made in 1928.
Your serial number indicates that your Ithaca shotgun was made in the year 1920.
Ithaca Guns manufactured the Lefever Nitro Special after it acquired Lefever Arms in 1916. This model was made between 1921 and 1947; the serial number indicates yours was made in 1924.
The shotguns were manufactured by Ithaca from 1921 through 1947. Yours was manufactured in 1928.
This was apparently prior to the acquisition of Lefever by Ithaca, since it appears that the first Ithaca Lefever serial numbers contain 6 digits (Lefever Nitro Special - 1921)
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.
Ithaca Gun Co. manufactured your Lefever Nitro Special in 1940.
In 1916, Lefever Arms Company was sold to Ithaca, who continued to make guns under the Lefever brand. Your serial number would date to around 1935-1937.