Abstract
In 1868 the newly established Japanese Government had many difficult problems, especially in financial straits. Therefore the erection of the Government Mint in European style at Osaka was not decided at the time when the coinage machines was arrived from Hongkong to Osaka. After a few months, a new diplomatic affair concerning the fineness of current coins took place. Then T.J. Waters was appointed as a official of the Government Mint and reached his post. In this Part 4, author described above mentioned matters in details as a continuation of the previous reports.
