A related jar with carved designs and unglazed auspicious characters, the cover also with a biscuit finial, is illustrated by J. Ayers, The Baur Collection: Chinese Ceramics, vol. 1, Geneva, 1968-1974, no. A108. See, also, another jar and cover with a similar biscuit finial, illustrated in Selected Masterpieces of Oriental Art, The Matsuoka Museum of Art, Tokyo, 1984, no. 117.