Lot 151. A rare opaque pale-blue glass quatrefoil jardinière, Qianlong four-character mark and of the period (1736-1795); 20.4cm (8 1/8in) wide. Estimate HK$ 250,000-350,000. Sold for HK$ 402,500 (€ 42,819). Photo: Bonhams.

The thick-walled bowl with four lobed sides in the form of a begonia flower raised on four small tab feet, the base wheel-cut with a Qianlong nian zhi four-character mark within a double square, the opaque glass of a bright turquoise-blue tone, box. 

Note: For other rare examples of Qianlong marked 'light blue'glass of similar colour to the current lot, see one smaller example in the Phoenix Art Museum (19.1cm wide), illustrated by C. Brown, The Robert H. Clague Collection, Chinese Glass of the Qing Dynasty, 1644-1911, Phoenix, 1987, no.45; Another one is illustrated by F. G. Lorin, Chinese Qing Dynasty Glass Treasures: A Selection from the Gadient Collection, Florida, 2009, no.16. A third example from Yamanaka & Co. was sold at Sotheby's Hong Kong, 4 April 2012, lot 3209; See also a similar light-blue glass quatrefoil jardiniere, which was sold at Christie's London, 6 November 2018, lot 130.

An opaque light-blue glass quatrefoil jardinière, Qianlong four-character wheel-cut mark within a square and of the period (1736-1795); 8 in. (20.3 cm.) wide. Estimate GBP 15,000 - GBP 20,000. Price realised GBP 30,000 at Christie's London, 6 November 2018, lot 130. Courtesy Christie's.

For a Qianlong marked and period 'realgar' glass jardiniere of identical form, see Radiant Reflections in Chinese Glass: An exhibition organised by the Ceramics and Glass Circle of Australia, Geelong, 2002, no.27, which was sold at Sotheby's Hong Kong, 8 April 2014, lot 3033.

A Rare 'Realgar' Glass Jardinière, Wheel-Cut Mark and Period of Qianlong (1736-1795); 21 cm., 8 1/4  in. Estimate 200,000 — 300,000 HKD. Lot sold 812,500 (76,490 EUR) at Sotheby's Hong Kong, 8 April 2014, lot 3033. Photo: Sotheby's

 Cf. my post: A Rare 'Realgar' Glass Jardinière, Wheel-Cut Mark and Period of Qianlong (1736-1795)