Thanks fellas for reading and commenting. Jozsef Kirner was a supplier to Crown Prince Rudolf which I think to be under the same court as Johann Haberda, Frst Zchwarzenberg'scher Hofbchsenmacher , Frauenberg.

http://www.antiquesatoz.com/sgfleece/schwartz.htm

Johann Haberda of Frauenberg too was a most talented gunmaker beginning at the mid point of the 19th century and developed his talent using percussion platforms, there adding choke to scatterguns in an effort to get the most out of that type sporting weapon. Johann/Jan Haberda was supplier to the Habsburg dynasty and it would seem that he obtained this rank circa 1860. It may be that his father too was a gunsmith and Johann continued the tradition.

I'll have to look, but if Anton Vinzenz Lebeda of Prague had developed it, I would expect to see it on J. Novotny's wares.



Lebeda example
I'll have to look closer to see if there are similar stepped lock Lebeda examples. Anton Vinzenz Lebeda purchased the shop of Matthew(?) Brandejsovi in Prague:

"Gustav E. Fükert was born on the 7th of August 1844 and departed this world on the 5th of December, 1918. Being born in 1844 and using the average age for a Journeyman to obtain his brief; therefore, in 1868 Gustav E. would have sprung for the cost of his master’s party. I would venture a guess here that either Jan/Johann, Gustav E., or both, worked in Antonín/Anton Vincent Lebeda’s shop in Prague. Antionin V. Lebeda was born in 1795, and some sources give 1797 which would make him a master in 1821/1822, which some sources give as the date of his master brief, but most info suggests he founded in business in 1820 which with 24 years as an average would pair well with the 1795 date of birth. Lebeda’s final exam in 1820/1821 was the completion of a very intricate and elaborately engraved set of locks. Lebeda’s name is synonymous with arms with percussion ignition systems. Lebeda on his Journeyman walkabout worked in Austria as well as Germany and although some hint that Bohemia was not influenced by the craftsmen in Suhl, I know there was a relationship there as many of Fükert Kronen have Suhl sourced tubes. Anyway upon return from his Journeyman walkabout, Lebeda became the head or purchased the shop of the late Prag gunmaker Matthew? Brandejsovi in 1820/1821 and soon thereafter married Ann Stumpfovou(?), the daughter of a fruit/vegetable merchant."
http://www.doublegunshop.com/forums/ubbt...true#Post159603

I seem to recall that Johann Kalezky of Vienna offered a stepped lock sporting weapon.
http://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=204060&page=1

Kind Regard,

Raimey
rse