Lot 320, A white-glazed anhua-decorated 'dragon' stembowl, Qianlong mark and period. Estimate 20,000 — 30,000 USD. Photo Sotheby's.

finely incised to the wide flaring sides with two confronting dragons in pursuit of a flaming pearl above swirling waves, the hollow foot with ruyi-shaped clouds and flaming wisps, covered overall in a lustrous transparent bluish-white glaze, the interior centered with a six-character mark within a double circle. Diameter 5 5/8  in., 14.3 cm

Provenance: Collection of Samuel C. David (1871-1940), St Louis. 

Sotheby's. Important Chinese Art, New York, 16 mars 2016, 10:00 AM