Tetsu tsuba of Jurojin Zu design. Mumei, Nara School.
Jurōjin (寿老人) is one of the Seven Gods of Fortune or Shichifukujin, according to Taoist beliefs. He is the god of longevity. Jurojin is depicted with a long white beard and a very tall, bald head He has a scroll tied to his staff, on which is written the lifespan of all living things. The crane, a symbol of longevity, accompanies him as a messenger.

crane person round