The Name Fabrique Nationale D'armrmes de Guerre is the name of a gun maker located in Herstal,Belgium.They have made firearms for Browning since 1909.The firm also makes many firearms for themselves also with the name you have used marked on the side of their firearms.
Depending on condtion 200-400 USD how can a browning in almost perfect condition ,1925 model with only a 4 diget ser.no only be worth 400.00.
You MUST call Browning.
Impossible to answer without a detailed description of all features, markings and condition.
Please identify what kind of gun this is and ask the question again
Fabrique Nationale (the name of the company) arms of war, Herstal, Belguim (place of manufacture. Brownings patent filed.
Impossible to answer without a detailed description of all markings, finish, condition, box, papers, accessories, etc..
Without a better description; 10-1000 USD
You need to bo to Browning.com since you didn't provide the model and use the sn function.
FN made hundreds of different caliber rifles, pistols & shotguns both military & civilian. Need more info. Be specific.
Most FN production records from WW 2 and earlier were lost during the war.
Blue Book of Gun Values
Depends on your pocketbook.
I have a Fabrique Nationale D'armes deGuerre Hherstal Belgigue Browning s patent Depose nv 1466.23 SN #669464