Vases of this form are not recorded with covers, the present example appears to be unique in that it has a cover. Cf. two vessels of similar form illustrated by Brinker and Lutz, Chinese Cloisonne, The Pierre Uldry Collection, no. 257, of larger size but unmarked, and no. 258, of smaller size and with a four-character Qianlong mark on the rim of the vase. Cf. also the vessel possibly identical with no. 257, illustrated in the Avery Brundage Collection of Ancient Chinese Cloisonnes, Catalogue, no.46.
Compare also related vessels with the bird resting on its tail and feet instead of on wheels including the duck-form vessel from the Beijing Palace Museum, illustrated in Zhongguo Meishu Quanji, Works of Art Series, vol. 10, Gold, Silver, Glass and Enamels, p. 188, no. 338, and a zun illustrated in Masterpieces of Chinese Enamel Ware in the National Palace Museum, pl. 27.