A Henan pottery bowl, Song Dynasty. Photo Bonhams.

Set on a short foot, with flaring sides and upright rim, the thick black glaze falling short of the foot and with tan streaking at the rim.19.6cm (7.3/4in) diam. Estimate £1,000 - 1,200 (€1,200 - 1,400)

Bonhams. ASIAN ART. 19 Feb 2014. London, Knightsbridge - www.bonhams.com