First, the haiku poet's name is "Issei," followed by the numbers 1-20. "18-20" indicates the order in which the Tokiwa-shu anthologies were published, with 20 volumes in total. The publishing location is "Jizodo." Matsuoka Chazan, who settled in Echigo-Mitsuke, published the Umegusazoshi and Tokiwa-shu anthologies annually for 29 years, from Tenpo 3 to Bunkyu 1. These haiku collections feature not only poets from Mitsuke and its surrounding areas, but also from various parts of Echigo and throughout the country. Chazan was praised as "Chazan of Hokue," and his name became known not only in Echigo but also nationwide. Since the images contain all the information, please take a close look at them to confirm and understand the details before making a purchase. Thank you for viewing.