Gun show, gun shop, library.
If it is stamped inside in the middle of the back, it is French, probably from around 1900.
I have a friend who has a 32 cal, break open hammerless revolver, chrome finished, in excellent shape. As near as the person who had it remembered, it was perchased around the early thirties. It is stamped American Revolver co. with ivory grips.
AROUND 1917.
These were made by the Iver Johnson Company from 1910-1935. Your revolver is from around 1930.
No, there was never any German model of revolver by this name.
No, not all rings are stamped. Most eternity bands and rings that have diamonds that go all the way around the band are not stamped because the holes for the diamonds are in the way.
cylinder stop drag
It is worth around 200 to 600 dollar
The Karl Pfestorf revolver was made in the late 19th century, specifically around the 1870s. It was produced in Germany and is notable for its unique design. The revolver is often associated with the development of early self-loading mechanisms in firearms.
Around 1955.
Colt
It is a top break style double action revolver that was made by the Iver Johnson Company from 1910-1935. Value is not great, but will be heavily influenced by condition., averaging around $125-$150 for a specimen in Very Good condition.