A 'Guan' Inscribed Ding-Type Square Dish定窯式白瓷四蒂紋花口臥足方蝶The square section with flared petal-shaped rims, the interior inscribed with quatrefoil motifs, all covered in a clear glaze save for the base; incised 'guan' (official's) mark to base, 1 x 4.3 x 4.2 in — 2.5 x 11 x 10.6 cmProvenance:Purchased from Ngai Tile Wave, 172 A2 Hollywood Road, Central Hong Kong, September 4th, 1998. 由藏家於1998年9月4日購於香港藝雅廊,帶原始收據Estimate: $400—600