1782 (Tenmei 2): An analysis of silver currency in China and Japan "Sin sen sen pou (Sin tchuan phou)" was presented to the emperor by Kutsuki Masatsuna (1750–1802), also known as Kutsuki Oki-no kami Minamoto-no Masatsuna, hereditary daimyo of Oki and Ōmi with holdings in Tamba and Fukuchiyama – related note at Tenmei 7 below.