A similar vase was sold Sotheby's, Hong Kong, 3-4 May 1994, lot 395. For another example of an enameled mirror see H. Brinker and A. Lutz, Chinesisches Cloisonné Die Sammlung Pierre Uldry, Museum Rietberg, Zurich, 1985, no. 272. See, also, the scroll weight of similar rectangular form, no. 275.