An authentic and antique spiked "anti-wolf" dog collar (late 19th century)

An authentic and formidable antique spiked "anti-wolf" dog collar, originating from France (dating back to the late 19th century). Historically worn by sheepdogs and livestock guardian dogs to protect their throats from lethal wolf attacks, these rare artifacts are highly prized by collectors of folk art, hunting history, and oddities / curiosity cabinets.