Seal of John II, King of Castile and Leon

Gray oval-shaped seal with a raised image of a man on horseback wearing armor and holding a sword and shield. The man is riding a horse with its head facing to the right. The seal has a border of raised text. The seal appears to be made of stone or metal and has a rough texture. There are two small holes at the top and bottom of the seal, and a red string is threaded through the bottom hole. The background of the image is light grey. The seal reads 'Seal of John II, King of Castile and Leon'.