Fr-7; KM-59. Olympic issue depicting a Turtle Boat, also known as a Geobukseon dating to the 15th century in Korea during the Joseon dynasty. Their most distinguishable feature was a dragon-shaped head at the bow (front) that could launch cannon fire or flames from the mouth. A high grade example without detectable marks, and free of spots, tone or fog.,PCGS PROOF-68 DEEP CAMEO Secure Holder.,