Lot 3097. A turquoise-blue glass bottle vase, wheel-cut mark and period of Qianlong (1736-1795); 24 cm., 9 1/2 in. Estimate 250,000 — 350,000 HKD. Lot Sold 680,000 HKD. Courtesy Sotheby's.

the ovoid body surmounted by a long cylindrical neck ending in a sharply cut straight mouth, the glass of turquoise-blue colour and polished to a smooth gloss, with a four-character wheel-cut mark to the recessed base.

Sotheby's. Fine Chinese Ceramics and Works of Art, Hong Kong, 08 april 2011