This letter from Takeda Shingen ends with a somewhat odd phrase: "Since I have eye trouble…" Let's see why he had to make this kind of excuse: https://t.co/Er4SuAUmjU https://t.co/UCIZD0PyTX
Browsing library materials—A look at documents from medieval Japan, Part 5 "Since I have eye trouble”—Medieval etiquette when using carved seals: https://t.co/Er4SuAUmjU https://t.co/z8F8DTv4xX
Since when and for what reasons have carved seals been used in place of signatures in Japanese documentation? Find out by reading this article: https://t.co/Er4SuAUmjU https://t.co/Bm62vCeK58