i just got this 9 mm luger it has two differents serial numbers
8755 i in the frame and
8756 i in the barrel and it has two
N with a crown on top. i think that's a 1914 German commercial proof and it has Germany in the left side. i dont have the magazine neither any information about this gun .
so i just wanna know all the info about my gun and how much it would worth like it is and how much it would cost me to get the magazine if i wanted to buy it?

this is the mark on the side of the frame and under the barrel,
http://forum.lugerforum.com/album.php?albumid=41
and this is my gun.
i'll apreciate any help.
THNAK YOU!!!!!!!