At that time, he gave the teahouse owner a hand-written signboard saying "omanju dokoro (place to eat manju)", which is now possessed by Toraya Kurokawa in Akasaka, Tokyo.
このときに茶屋の主人に書いて与えた「御饅頭所」という看板が、今では東京・赤坂の虎屋黒川にある。