"Parts of Japan gave criminals tattoos on their arms. Many are simple lines around the arm. On the bottom line, the third left, I can see the sign of “悪”, bad in Japanese. This was Kishu´s (紀州/now Mie and Wakayama prefecture) tattoo.
Rod of Asclepius - Wikipedia. In Greek mythology, the Rod of Asclepius also known as the Staff of Asclepius is a serpent-entwined rod wielded by the Greek god Asclepius, a deity associated with healing and medicine.