A BLACK-LACQUER FOUR-CASE INROEdo period (1615-1868), 19th centuryDecorated in gold and silvertakamaki-e andhiramaki-e with a continuous design of overlapping peacock tail and pheasant feathers extending over the top and bottom surfaces, all reserved on a lustrous black ground, the 'eyes' on a few of the peacock's tail feathers inlaid in shell, the interior of richnashiji;unsigned.9.1cm (3½in) high.