During the Qianlong period, glass vases of this bottle shape were made in various colors, both in translucent and opaque glass. A translucent, ruby-red example with Qianlong mark in the Andrew K. F. Lee Collection is illustrated in Elegance and Radiance: Grandeur in Qing Glass, The Art Museum, The Chinese University of Hong Kong, 2000, pp. 104-5, no. 11.