FN is the abbreviation for Fabrique Nationale Arms Co. of Herstal, Belgium. They made most of the A-5 shotguns and Superposed shotguns for Browning USA.
The browning superposed shotgun was first made in 1931.the serial number run began with the serial number 1 and ended with the serial number 2,000.
If it is a Browning Superposed 12 gauge it was made in 1959.
Your browning superposed was made in 1933.
They didnt. The Superposed and Liege shotguns are still made in Belgium. Auto-5's were moved to Japan in 1976.
Browning, Remington
Your Browning lightning superposed shotgun was made in the year 1968 with the serial number that you have provided.
There are many different models of Browning shotguns that were made in Belgium by the Fabrique Nationale manufacturing plant in Liege/Herstal. The oldest of which is the Auto-5 Automatic Shotgun which began in 1903. Some Superposed shotguns are still made there.
Your Browning superposed,over under 20 gauge shotgun was made in the year 1951;with the serial number that you have provided.
With the serial number that you provided,your Browning superposed shotgun was made in Belguim for Browning in the year 1955.
Browning didn't begin making the Citori until 1973. You probably have a Superposed. If it is a Superposed it was made in 1956. Value of shotguns depend upon several factors. Condition, model, point of sale are a few. Look at used guns for sale at a site like gunbroker.com to compare.
Made in 1980. Superposed shotguns are very collectable when in top condition. Values have a wide range due to so many variations and grades of the Superposed and other Browning Over/Unders. Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Recommend taking it to a gun shop for appraisal