A Rare Turquoise-Glazed Stand . Yongzheng Four-Character Incised Seal Mark And Of The Period (1723-1735)Photo: Christie's Images Ltd 2012.

The stand is of shallow dish shape with rounded sides that rise to an everted rim, and is covered overall, and on the foot and base, with a deep turquoise glaze that pools on the shallow foot. 7 1/8 in. (18 cm.) diam. Estimate $50,000 - $70,000

Notes: Compare the Yongzheng-marked dish of related shape, but with a subtle bow-string band encircling the exterior, and covered in a dark blue glaze, sold at Sotheby's London, 11 May 2011, lot 243. 

Christie's. Fine Chinese Ceramics and Works of Art Part II , 13 - 14 September 2012 . New York, Rockefeller Plaza