The Béringer-style Lefaucheux pistol, uncovered at a French auction, is a remarkable example of 19th-century gunsmithing. Initially thought to be a Béringer pinfire, it turned out to be a creation by Lefaucheux, showcasing the intricate interplay of designs between these two eminent figures in firearm history. This pistol features a lever-over-guard style under-lever, a precursor to the English Jones under-lever system. It also includes Lefaucheux's signature on the barrel, confirming its origin. This piece highlights the intricate relationship and mutual influence between Lefaucheux and Béringer, offering a unique glimpse into the evolutionary path of early firearms technology.