Eduard Kettner/Suhl "Rhenus" double gun in 16/65 with combination gun barrels in 9,3x72R & 16/65
made in 3/(19)27, double gun barrel 752 mm long, combination gun barrels 680 mm long
Schütz/Kassel 4x scope on claw mount

http://egun.de/market/item.php?id=4721733