Thanks! FlyChamps! I do see the boxlock hiding there now. I photograph the firearms for the company and I just grabbed a few quick phone photos to post here. I am photographing a lot of 100+ firearms for them next week and will have better photos then.
The only story we have is that the previous owner bought it "in the 80s" because it was pretty and cheap. He thinks he "may have paid a couple hundred for it." They emailed the Springer company I suppose and got an email back that was run through google translate (no judgement... their english is likely FAR better than my German!), but the records they had seemed to show that serial number belonging to a hammer gun made in the 1800s, so there is a disconnect somewhere.