South Korea | 5 Won, 1972 | 20 mm, 2.95 gr. | Brass | Obverse: Geobukseon (Turtle Ship), Korea battleship used from 15th to the 19th century, denomination right | Lettering: 오원 한국은행 | Reverse: Denomination, date left | Lettering: THE BANK OF KOREA 1972 5 |