Several bulb bowls of this shape, inscribed with the same numeral, in public collections have been published. Cf. the example in the National Palace Museum, Taibei, included in the Illustrated Catalogue of Sung Dynasty Porcelain, pl. 66; another in the Tokyo National Museum can be found in Treagear, Song Ceramics, pl. 171. A third from the Harcourt Johnstone and Enid and Brodie Lodge Collections was exhibited by the Oriental Ceramic Society, London, 1952 exhibition Sung Dynasty Wares, Chun and Brown Glazes, no. 31 and sold in Hong Kong, 30 April, 1996, lot 306.
Other examples of slightly smaller size include one in the Percival David Foundation, London, illustrated in Oriental Ceramics, Kodansha Series, vol. 6, no. 51; another in the Avery Bundage Collection, Asian Art Museum of San Francisco illustrated by Teagear, op. cit., pl. 147; and one by Ayers, Far Eastern Ceramics in the Victoria and Albert Museum, no. 103.