Doppelbüchsdrilling Schmidt und Habermann/Suhl
16/70 und 8x57IR

three trigger, in front for the shotgun barrel, in the middle a set trigger
the front trigger's can be fold forward when using as a double rifle only

http://egun.de/market/item.php?id=4810945

Hahndrilling by an unknown maker in 20/70 and .35 Win

coming with 35 Win ammo made by Waffen Dorfner/Vienna 15 years ago
to get an impression of the hassle you have when loading a small lot of CIP proofed ammo in europe this rounds cost 7,20 euro each than

http://egun.de/market/item.php?id=4799393