Wooden netsuke manju depicting a group of masks, signed Kizan, Japan, mid-Edo periodThe six masks of Noh and Kyogen and Kagura depict on one side Hannya, Okina and Hyottoko and on the other Beshimi, Okame and an oni. Signed in a cartouche Kizan (Kameyama) 亀山. 4 cm x 3.7 cmKizan was a netsuke carver active during the Temmei and Kansei eras (1781-1800? ). He specialized in wooden subjects.