i was wondering what a pistol is worth.here s the info inscr...

i was wondering what a pistol is worth.here s the info inscribed on the pistol.....AUTOMAT PISTOLE ,,DUO'' CAL 635 F DUSEK,OPOTSCHNO...also has a 43 inscribed above handle on the left side and i assume the cereal number 79109 on the right side...it shoots 25 cal. bullets. i got from my grandfather when he died thirteen years ago. he got it was he was in WWII off of a german soldier. i ve always wondered what the dollar value may be.thx. it s not for sale