Tin-glazed earthenware painted in blue on one side with the motif of the Bishop's hat, formed in the shape of a cross and a snake. In terms of cross motif, it is thought to be originated in Spain. The cross ends with a flower bud, which is the cross of Caballero de Santiago. It was founded in 1174 as a Catholic Knights, a major contributor to the defeat of Muslim militants in the Iberian peninsula, as well as the operators of hospitals and pharmacies. The motif of the snake that surrounds the cross is assumed to be an iconography of the medical practice of knights. The snake sticks are related to medicine from the ancient Mesopotamian era. In Greek mythology, it was also used as a symbol of Asklepios, which represented a doctor. And also appeared in an episode where Moses treated people with a disease when he escaped from Egypt. Moses wrote that he had cured a dying person by making him look like a copper snake.