A Small Jian Blackware Teacup, Song dynasty. the rich streaked black glaze draining to a paler russet tone towards the rim, and with further small russet suffusions towards the centre, the exterior with the glaze falling short of the footrim in a neat oval, exposing the coarse almost purplish ware, W:9.4cm Provenance: Previously part lot 122, Bonhams London 5 April 2016,The collection of Susan Chen, the Feng Wen Tang Collection来源：伦敦邦瀚斯，2016年4月5日，编号122（之一）；Susan Chen旧藏；奉文堂旧藏