The price said to be 550 thousand yen, but TANAKA wrote to the prime minister Taro KATSURA and raised the price by 50 thousand yen, and succeeded to sell it for 600 thousand yen.
この買い上げは当時五十五万円といわれたが、田中は総理大臣桂太郎あてに手紙を出して、五万円つりあげ、六十万円で買い上げさすことに成功した。