This pistol (and its ammunition) is lot #2401 at Morphy’s April 2019 auction.
In 1994, Smith & Wesson began shipping the Model 3566, a double-stack, single action pistols tuned for high-level USPSA competition. It was a pistol that was going to dominate the new Limited division, with the capacity of a standard 9x19mm handgun but enough power to qualify for Major. And then in February 1995, the USPSA Board revised their rules to require a minimum bullet diameter of .40 inch for any Major caliber. Was S&W unfairly screwed by USPSA? Or was S&W trying to exploit a rule loophole contrary to the spirit of the game? Either way, the victim was the .356 TSW cartridge, which had a lot of potential but was basically dead on arrival because of the USPSA rule change.