An expert in old writing contributed it to the Edo bakufu around the Koka Period, and it was believed that it had been burn out during the Meiji Restoration, however it turned out that it was secretly deposited under Prince Tokugawa.
弘化年間頃に、古筆家から江戸幕府におさめられ、明治維新の際に焼失したと思われていたが、はしなくも徳川公爵に秘蔵されていた。