Lot 86. A 'Jun' 'Bubble' bowl, Yuan dynasty (1279-1368). Diameter 5 in., 12.6 cm. Estimate 20,000 — 30,000 USD. Lot sold 25,000 USD. Photo Sotheby's.

with gently rounded sides rising to a slightly incurved mouthrim, applied overall with a pale blue glaze thinning to a buff color at the rim, the interior with a splash of purple in varying shades and turning to green towards the center, all supported on a slightly flared foot. 

Literature: Dan-jiong Tan, Zhongguo taoci shi [History of Chinese Ceramics], Volume Two, Taipei, 1985, p. 509.

Sotheby's. Song Tradition: Early Ceramics from the Yang De Tang Collection. New York, 17 march 2015, 11:00 AM