清乾隆 掐丝珐琅兽面纹甗式蓋爐來源：比利時私人舊藏

Compare with a cloisonne yan with a Qianlong mark in the Palace Museum, Beijing, illustrated in Cloisonne Enamel Ware, The Complete Collection of the Palace Museum, Hong Kong, 2002, no. 114. For another example in the National Palace Museum, Taipei, see Enamel Ware in the Ming and Qing Dynasty, Taiwan, 1999, no. 58.