LARGE NEOLITHIC LIANGZHOU JADE DISC Ca. 3000 BC A Neolithc Liangzhou jade disc of uneven thickness. Its central, circular aperture is cut from both sides, leaving a ridge in the centre and visible grinding lines. The stone is of a predominantly celadon green tone with areas of reddish-brown inclusions all-over and a few dark grey speckles and white veining. Some calcified areas are visible. The disc is completely unadorned and its surface is well polished on both sides. For similar see: The Metropolitan Museum of Art Accession Number: 2004.52. Size: 680mm x 540mm; Weight: 7.9kg Provenance: Prince collection, 1990s-2014; Ex. Mossgreen Auctions, 22 & 23 November 2009, Lot 277. This item has been cleared against the Art Loss Register database and comes with a confirmation letter.