Seal of the King of the Ryukyu Kingdom (Kaihyokyohan)
This seal was brought from China by the Chief Sappo Envoy Cho Bun Kai and Vice Envoy Ri Tei Gen on the occasion of the investiture of the 15th king of the Second Sho Dynasty, King Sho On. The original calligraphy used to carve this stone is said to have come from the hand of the Chinese emperor Kakei. Stone carved with seal script. Okinawa Prefectural Museum Collection