A 'Jun' bowl, Song-Jin dynasty (960-1234). Photo Sotheby's

he gently rounded sides rising to a slightly inverted rim, generously applied overall with a rich soft blue glaze falling to an uneven line above the unglazed foot and thinning to a mushroom tone around the rim; Diameter 8 1/2 in., 21.6 cm.. Estimate 20,000-30,000 USD

PROVENANCE: Collection of Millicent Rogers (1902 - 1953).

Sotheby's. Fine Chinese Ceramics & Works of Art. New York. 14 september 2011 www.sothebys.com