The present ivory carving is very rare with only four other extant related examples remaining in important museum collections. Compare with three double-gourd parfumiers in the Palace Museum collection, Beijing, all with similar chains suspending various objects illustrated in Bamboo, Wood, Ivory and Rhinoceros Horn Carvings, The Complete Collection of Treasures of the Palace Museum, Hong Kong Commercial Press, 2002, nos. 174, 175 (see fig. 1) and 177. The first, closest in style to the present example, is attributed to the Palace Workshops, while the third, larger carving dated to the Yongzheng/Qianlong period is recognizably from the ateliers of the Canton workshops and was commissioned as a wedding gift. Another, less elaborate example in the Victoria and Albert Museum was included in the exhibition China: The Three Emperors 1662-1795, Royal Academy of Arts, London, 2005, and illustrated in the Catalogue, no. 283.