A transparent green glass vase, Yongzheng seal mark and period. Photo Sotheby's

the ovoid body rising from a concave base to rounded shoulders, surmounted by a gently flaring neck, the glass of a transparent yellow-green tone, incised to the base with a four-character reign mark within a double-square; 19.2cm., 7 ½ in. Estimation 15,000 — 25,000 GBP

Provenance: A Swedish Private Collection.

Sotheby's. Fine Chinese Ceramics & Works of Art. London, 14 mai 2014 - http://www.sothebys.com/