Lot Essay
Compare to an Imperial yellow glass vase, also bearing a Yongzheng mark, in the collection of Andrew K. F. Lee and illustrated in Elegance and Radiance, Hong Kong, 2000, no. 15, p. 112. Compare also to a Qinanlong-marked example from the Franz Collection, illustrated in Pure Brightness Shines Everywhere, The Glass of China, 2003, p. 76, pl. 9.1.