QIANLONG FOUR-CHARACTER WHEEL-CUT MARK WITHIN A SQUARE AND OF THE PERIOD (1736-1795)

A similar transparent red glass vase with a similar Qianlong mark in the Franz collection is illustrated by Emily Byrne Curtis (ed.) in Pure Brightness Shines Everywhere: The Glass of China, London/Vermont, 2004, p. 91, fig. 10.2. Compare, also, the similar vase that bears a Yongzheng rather than Qianlong mark, in the collection of Robert H. Ellsworth, illustrated by C. Brown and D. Rabiner in Clear as Crystal, Red as Flame, China Institute, New York, 1990, p. 55, no. 18.