The inro by Gekko, Edo period (1615-1868), mid-19th centuryEach naturalistically carved and stained for effect, its head and legs retracted within its carapace, signed in an oval reserve Gekko, 9cm (3?in) high; the netsuke with a removable section in the carapace forming the himotoshi, inscribed on the underside Tomotada, 4.2cm (1 5/8in) high. (2).