It is one of the most famous masks in history. It is 1.80 m in diameter and has a man-like face with a beard.
Popular tradition has it that the mouth has the power to bite the hand of who does not tell the truth.
Part of its fame is due to the film Roman Holiday by William Wyler and starring Audrey Hepburn and Gregory Peck. It was handed down throughout the years as one of the most appreciated film works in history.
Each year, thousands of tourists go to visit in order to place their hand in the mouth of the mask.