Most likely made in the late 1890's-early 1900's time frame. Iver Johnson made one with a manual safety on the frame. Meridian and Harrington & Richardson made them without the manual safety. The H&R has a hammer mounted firing pin. The Meridian has a frame mounted firing pin. Spain and Belgium also made them. Value seldon exceeds the 50-100 range.
100.00 to 200.00 dollars if in good shape
Seldom exceed 80 USD
Try the auction sites.
Well, those are 5 chambers, not 5 cylinders. Bearing NO connection to the US Secret Service, the name was used by both A J Aubrey and Harrington & Richardson. Value is in the $100-$150 range. Think the term you were looking for was top break revolver.
No published sn data.
What you describe was not made by S&W. Value would not likely exceed 50-60 USD
No such S&W model.
50 USD. Not made by Smith and Wesson.