Unknown (Inscription by <a href="https://en.wikipedia.org/wiki/Nanka_Genk%C5%8D" class="extiw" title="en:Nanka Genkō">Nanka Genkō</a>)
1602<div style="display: none;">date QS:P571,+1602-00-00T00:00:00Z/9</div>
The Japanese book "Masterpieces of Zen Culture from Myoshinji", Yomiuri Shimbun-sha, 2009