SONG-MING DYNASTY (960-1644) The upper surface is smoothly polished with a narrow, shaped indentation on one end forming the inkwell beneath an olive-green ‘eye’. The hollowed sloping underside is scattered with twenty-eight cylinders of varying heights representing the Twenty-Eight Mansions of the Chinese constellation system, below another ‘eye’ at the corner symbolising the moon, each of these cylinders is centred with an ‘eye’. The stone is of a deep purplish-brown colour with olive-green mottling and dark brown veining. 9 1/2 in. (24.1 cm.) wide, rosewood stand and cover, Japanese wood box