A rare black-lacquer single-case inro with interior tray

A rare black-lacquer single-case inro with interior tray
By Okumura, Edo period (1615-1868), late 17th/early 18th century
Of wide form, bearing a dense roiro ground, lacquered and inlaid with a continuous design of kogai (metal hairpins) decorated with various subjects in gold takamaki-e with details of inlaid shell, one inscribed Goto Yu (jo), the interior of black lacquer with kinji edges and the riser with a geometrical design in chinkinbori, signed Okumura with a kao; with a stag antler Asakusa-school ojime of a stylised shishi, unsigned. 8cm (3 1/8in) wide.