A transparent turquoise-green glass vase, Guangxu mark and period. Estimate 10,000 — 15,000 USD. Photo: Sotheby's.

of mallet form, with the slightly angular lower body rising to gently rounded shoulders and a tall cylindrical neck, the transparent glass of a vibrant turquoise tone, the countersunk base with the wheel-cut four-character mark within a square. Height 7 1/2  in., 19cm 

Provenance: The Jingguantang Collection.

Note: Compare another Guangxu mark and period turquoise-green vase of the same form from the Andrew K. F. Lee collection illustrated in Elegance and Radiance. Grandeur of Qing Glass, The Art Museum, The Chinese University of Hong Kong, Hong Kong, 2000, cat. no. 44. 

Sotheby's. Monochrome, New York, 15 sept. 2015