I've seen examples by Jozsef Kirner of Budapest stamped with Cs.(Császári) Es Kir.(Királyi) Udvari Puskamüves Jozsef Kirner - Pesten. He's listed as a master gunmaker in the Budapest list and he obtained his warrant in 1869. And thanks to Jani I now know that Császári Es Királyi Udvari Puskamüves means the same in Hungarian as k.u.k. does in German. I believe Jozsef Kirner was a Junior and a descendent of George of Bavaria, maybe his grandson.

Kind Regards,

Raimey
rse