A Cizhou russet-splashed black-glazed bowl, Northern Song-Jin Dynasty (960-1234). Estimate HK$60,000 – HK$80,000 ($7,774 - $10,365). Photo Christie's Image Ltd 2015

The bowl with rounded, conical sides is covered with a thick black glaze decorated with three russet splashes on the interior, and on the exterior falls in an irregular line atop a thin brown glaze that ends irregularly above the foot to expose the granular ware that has fired to a pale buff colour. 6 3/4 in. (17.2 cm.) diam., box 

Provenance: The Muwen Tang Collection, Hong Kong 

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