During the Edo period, in the fifth year of Dongshan (1708, the forty-seventh year of Qing Emperor Kangxi), Emperor Baoyong cast ten bronzes in Qitiao, Kyoto. The side is wide and small, the body is large and thin, and the production is neat.
Face-to-face regular script "Bao Yong Bao Tong", read directly; The word "forever" is printed on the back side, and the word "true" is printed in the concave circle under the word "stone", but the position is changeable and the shape is very strange. The diameter is about 3.8 cm, and the weight is 7 ~ 1 1 g ... so it is rare for someone to wait for a big sum of money, and it is not smooth to use, so I invested for one year. However, the number handed down from generation to generation is still very rich, and it is not difficult to find.
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Circulation situation
Kuanyong Bao Tong is a coin with the largest number of castings, the longest casting cycle and the largest number of versions in Japanese history, and it is also one of the largest foreign coins flowing into China.
It was first cast in the third year of Emperor Kuanyong of Japan (1626), and a large number of castings were started from 1636. At that time, money stoves were cast all over Japan and were still in use in the early Meiji period. It was circulated for more than 240 years, and was later abolished because of the demise of the Tokugawa shogunate.
In the long-term Sino-Japanese trade, Japanese currency continuously flowed into China and spread all over China.
Baidu Encyclopedia-Bao Yong Bao Tong