Isoda Koryūsai (礒田 湖龍斎, 1735–1790), flourished: 1769 to 1790.

The print lacks signature (signature erased).

Attributed definitely to Koryūsai: Jacob Pins, #491 [p.202] – Saigyo Hoshi admiring Mount Fuji. Signature erased but convincingly attributed to Koryusai. Tikotin Museum, Haifa. Catalogue raisonné: Allen Hockley: A3-J-5 (p. 261).

Saigyō Hōshi (西行 法師, 1118 – March 23, 1190) was a famous Japanese poet of the late Heian and early Kamakura period.