A Qingbai cup stand, Song dynasty. Estimate 2,000 — 3,000 USD. Photo: Sotheby's

supported on a spreading pedestal foot, surmounted by a dish of hexalobed form, and centered by a raised tapering platform, covered overall in a pale blue transparent glaze

Provenance: On loan to the Birmingham Museum of Art, Birmingham, Alabama, 1988-2015. 

Sotheby's. Saturday at Sotheby's: Asian Art, New York, 19 sept. 2015