Emperor Kome was the 121st ruler of Japan and reigned from 1846 to 1867. He was born on July 22, 1831 in Kyoto and died there on January 30, 1867. Emperor Kome ruled in the Edo period, which coincided with the time of the Tokugawa Shogunate, and it was during his reign that Japan began to open up to the Western world. It was during his reign that American Admiral Matthew Perry and the "Black Ships" arrived in 1853, which brought significant changes. launched in Japan. The shogunate, which had ruled Japan for almost three centuries, could not adequately respond to new challenges, such as the opening of trade to Western countries. During this period, Emperor Kōmei, although he only officially had symbolic power, began to take on a stronger role and regain some of the power that his predecessors had ceded to the Tokugawa clan. restoration began. Emperor Kómei's wife was Asako Kudzó, who was given the title "Empress Eisó the Widow" after his death.

Emperor Kome was the 121st ruler of Japan according to the traditional succession and reigned from 1846 to 1867. During his reign, Japan was still in the Edo period, characterized by the Tokugawa shogunate. During this period, the coinage and economy underwent significant changes as Japan slowly opened up to foreign trade and began to modernize.Currencies used during the reign of Emperor Kome included the koban, which was a gold coin, and the bun, which it was a smaller silver coin. These currencies were in use as early as the Tokugawa shogunate and continued to play an important role in trade and the economy. In addition to kobans and buns of various values, copper coins such as the mon were used. In the 1850s, when Commodore Matthew Perry arrived in Japan and forced the opening of ports to foreign ships, the Japanese economy and coinage underwent further changes. This period prepared the economic reforms of the Meiji Restoration, which fundamentally changed Japan's financial system.