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/R4I6SvAVRY https://t.co/VMfgxSXShf
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/R4I6SvAVRY https://t.co/jTpefKreDy