A small blue clear glass Zhadou. 18th century

The compressed globular body raised on a solid foot and surmounted by a widely flared trumpet mouth, base with Qianlong four-character mark within a double square. 3¾ in. (9.5 cm.) high  - Estimate : $5,000 - $7,000 - Unsold.

Christie's. Fine Chinese Ceramics and Works of Art. 17 September 2008. New York, Rockefeller Plaza. www.christies.com