Lot 263. A blue-glazed bottle vase, Qianlong seal mark and period (1736-1795). Height 9 3/4  in., 24.8 cm. Estimate 9,000 — 12,000 USD. Lot sold 11,875 USD. © Sotheby's

of ovoid form, tapering to a tall cylindrical neck and supported on a wedge-form unglazed footrim, covered overall in a lustrous deep blue glaze, the interior and base glazed white, four-character seal mark in underglaze blue. 

Sotheby's. Fine Chinese Ceramics & Works of Art. New York, 19 march 2013