A small Guan washer, Southern Song Dynasty (1127-1279). Estimate HK$ 300,000 – HK$500,000 ($38,883 - $64,805). Photo Christie's Image Ltd 2015

The small rounded washer is covered overall with a pale greyish-blue glaze with broad crackling, thinning on the mouth to a darkish-brown colour. The base has five small spur marks exposing the chocolate-brown body. 2 5/8 in. (6.7 cm.) diam. 

Christie's. THE PAVILION SALE - CHINESE CERAMICS AND WORKS OF ART, 6 April 2015, 22nd Floor