Covered Octagonal Box, Ming dynasty, Wanli Period (1573-1620). Porcelain with underglaze blue and overglaze enamel decoration (Wucai ware), 4 5/16 x 5 11/16 inches (11 x 14.5 cm). The Dr. Francis W. Lewis Collection, 1905; 1905-202,a © 2017 Philadelphia Museum of Art.