Lot 557. A Yaozhou celadon bowl, Northern Song-Jin dynasty (960-1234); diameter 7 3/4 in., 19.7 cm. Estimate 8,000 — 12,000 USD. Lot sold 16,250 USD. Courtesy Sotheby's.

of conical form with everted rim resting on a low knife-pared foot, the interior with a central stylized flowerhead medallion set with the character yang encircled by an undulating stem sprouting three large blooms and buds with curling leaves, the exterior with carved fluting radiating from the foot, the transparent, lightly crackled gray-green glaze pulling away in small areas around the base to reveal the body .

Provenance: Sotheby's London, 11th December 1990, lot 225.

Sotheby's. Harmony of Form, Serenity of Color: A Private Collection of 'Song' Ceramics, New York, 23 march 2011