A carved Qingbai washer, Southern Song Dynasty (1127-1279). Estimate HK$80,000 – HK$120,000 ($10,369 - $15,553). Photo Christie's Image Ltd 2015

The washer is finely potted with shallow rounded sides rising from a slightly concave base, and carved on the base of the interior with a peony bloom. It is covered with a pale bluish-green with the exception of a grooved band on the mouth of the interior. 6 in. (15.2 cm.) diam. 

Provenance: Raymond F. A. Riesco (1877-1964), collection label no

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