Erick,
I must have read right by your post earlier as another BBS member pointed it out to me via email. Sorry about that :-)
The origin of the earliest Prussian Daly hammer guns is still pretty murky so I what I can provide is not definitive. Based on what is recorded in the database, it is clear that Charles Daly retailer Schoverling, Daly, and Gales (SD&G) used more than one maker for the early hammer guns.
I can tell you that there are 5 Daly hammer guns in the database with similar features as your gun that are within a couple hundred numbers of your gun. FWIW, one of the notes on one of the guns suggests it was made by Schilling, a well known Suhl-based maker. That all said, there is nothing in the marks on the action or barrel flats that jumped out to me provide that linkage. So all I can really give you in regard to the maker is a "not Heinrich Lindner, maybe V. Schilling".
As far as the year of production, I would estimate it at circa 1876. The gun does have a Scott spindle (introduced 1865) and also has the wedge forend fastener associated with earliest CD guns. Of course it does not have proof marks as these were not required until much later (1891). "Conventional" wisdom has that SD&G began retailing guns under the Charles Daly banner in 1875, but I think it may have actually been a couple years before that. That all said, I think 1876 is a reasonable estimate of the year of production based on the features of the gun and those features relative to other guns in the database..
It is a nice looking Daly! Enjoy your gun.
Ken