Oldtimer motorcycles: 1902-1965.
Other FN sites :
You could find on those both website sometimes FN motorcycles and other Belgium bikes for sale:
In the Netherlands: BAS CLASSIC Motorcycles.
and for Belgium you got "HD"Classic from Hans Devos.
Please check them on regular base to find you rare to find FN!!
Attention there will no further links to other website because my site has got tons of spam so if you want other information about oldtimer motorcycles please use: "GOOGLE" please thanks!!!!!