Two similar vases in the Palace Museum, Beijing, have been published, the first with a slightly less pronounced lipped rim, illustrated in Porcelain of the Song Dynasty (II) - The Complete Collection of Treasures of the Palace Museum, vol. 33, Hong Kong, 1996, pl. 35; and the second, slightly smaller in size, ibid., pl. 36. Another very closely related gall-bladder shaped vase was included in the exhibition Possessing the Past, Treasures from the National Palace Museum, Taipei, 1996-1997, illustrated in the Catalogue, pl. 123.
Compare also the guanyao vase of comparable shape and size, but with a greenish-grey glaze with a wider crackle, in the National Palace Museum, Taipei, illustrated in Kuan Ware of the Sung Dynasty, Hong Kong, 1962, pl. 11. Cf. the vase illustrated by B. Gyllensvard, Chinese Ceramics in the Carl Kempe Collection, p. 70, no. 168; and another with a shorter, wider neck, sold for the benefit of the J. T. Tai Foundation, at Sotheby's Hong Kong, 21 May 1985, lot 7.