I have one I inherited from my Grandfather. Cool little pistol.
Trying to get info such as manufacture date will not be possible b/c the FN records were destroyed during the little skirmish that Europe had a while back.
Some good general info here:
http://world.guns.ru/handguns/hg117-e.htm
http://www.fn-browning.com/fn.htm
http://en.wikipedia.org/wiki/FN_M1900