Toyohara Chikanobu (Japanese 1838-1912) A BUST PORTRAIT OF A COURTESAN woodblock; Shunbaisai Hokuei (Japanese - d.1837) COURTESANS signed and inscribed, published c.1820; Attributed to Keisai-Eisen (Japanese 1790-1848) A PORTRAIT OF A COURTESAN signed and inscribed with date mark c.1840; together with Osaka School A COURTESAN WRITING A LETTER signed and inscribed woodblock 37 x 25cms; 14 1/2 x 9 3/4in. (average size), all unframed. (4)