Here we go with "The Semantics Game"......
Knockoff
Fake
Imitation
Counterfeit
Copy
Facsimile
I'm sure more words could be put in the list.
I forget we have to play this game and therefore forget to exactly define every word I use.
In my first post, I almost called it a "fake", but I did not want the OP to think I was accusing him OR the owner of faking a gun. Actually, "fake" or "imitation" is the best word. The gun obviously appears to be a high quality gun on the outside, beautifully machined and finished. I just don't happen to think S&W made it, even though it bears that name. So, it is a fake. Probably made in Belgium. We don't know if it is one of a kind, or one of 1000 furtively loaded onto a ship and sold to some chinese warlord or Congolese chief in the 20's as the real deal.
I chose the word "knockoff"
I thought everybody would get what I meant.
Online Merriam-Webster:
Definition of KNOCKOFF: a copy that sells for less than the original; broadly: a copy or imitation of someone or something popular
As I said, I've seen many guns over the years that claimed to be a Colt or S&W that were not made in the US. Drew shows one above. They were not intended for the US market. Some are very crude. Some are very high quality. Most are not exact copies of any gun ever made by the big companies, but instead seem to be mixtures of notable features seen on different models or even different brands. This makes me think they were almost always intended for third world markets where real examples were not readily available for comparison and catalogs were nonexistant. These "imitations" often lag far behind state of the art technology, perhaps by a few years, perhaps by decades.
If I'm correct and the gun is an imitation, it was made after the appearance of the 1899, and maybe even in the 20's or 30's. It is obviously a very simple SA action with a rocker type, hammer actuated cyl stop riding the stud right behind the frame lug. Such an action requires very little precise fitting and would be child's play for a second year Belgian gunmaking apprentice used to working on double shotgun actions.
Pulling the grips alone might solve this mystery.
Seeing the rifling might solve it.
Removing the sideplate might solve it.
S&W already had a very functional SA- the New Model #3. It would have been quite easy to make a NM3 frame that did not break on top with a square butt and swing the cyl out of that. Why build that elongated hulk and have to redesign everything that went inside?
So, I think the gun is an imitation, made in europe. Call it a fake if that word suits you better.