Saw one that went for auction at $357 here in the states. It was in TERRIBLE SHAPE.
It shoots the .32 RIMFIRE...Which was a Black Powder cartridge. Stevens made some rifles as well as S&W pistols.
Saw where the .32 rimfire is reloadable...Have to get all the dies, and components from FRANCE.
They say the guns can be reworked to shoot .22, but is expensive. Kind of borderline on being collectable. So unless you JUST WANT IT and depending on the price/condition........???????