LANGYAO STEM BOWL, PROBABLY 18TH CENTURY, of gently-rounded form with an everted rim, on a tall spreading foot, the thick glaze exhibiting 'crushed raspberry' tones with some darker vertically-arranged markings, thinning at the lip and pooling on the lower body and foot, 15cm diam Provenance: Christie's New York, 20th November 1979, lot 314.