The value depends on the condition of the firearm. The 119984 was likely the serial number and it was made in Belgium. You will likely need some additional information to get the value.
If you visit browning.com/support/date-your-firearm.html and you actually have the firearm in front of you, you can probably find the date, and from there you will know the official title of the firearm and can get better valuation information at places like gunbroker.com or any other gun site.
Fabrique Nationale (the name of the company) arms of war, Herstal, Belguim (place of manufacture. Brownings patent filed.
Lacking a better description, the price range could be from 0-500 USD
Not in the open market
100-300 USD
Impossible to answer without a serial number and detailed description.
You gave use the maker- FN- but not which firearm- and the serial number alone does us no good.
Fabrique Nationale
you have a 12ga Magnum made in Herstal Belgium by Fabrique Nationale in 1969. FN was the manufacturer of all belgian Brownings. auto5man
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.
Fabrique Nationale d'Herstal
This is the Belgian firearms company Fabrique Nationale
This is the Belgian firearms company Fabrique Nationale