The so-called 'sacrificial' red of the early 15th century has been greatly admired by succeeding generations. The technology seems to have been lost in the latter part of the Ming dynasty, and so when the Qing emperors required the imperial kilns to make more porcelains of this color, the potters had virtually to reinvent the glaze. The early 15th century copper-red glaze is characterized by its depth of color and by its structure which, on close examination, appears almost curdled and multi-toned.
A slightly smaller dish with similar shape and glaze as the current vessel, and with an incised six-character mark within a double circle on the base, in the collection of the National Palace Museum, Taipei, is illustrated in the Catalogue of the Special Exhibition of Selected Hsüan-te Imperial Porcelains of the Ming Dynasty, Taipei, 1998, pp. 394-5, no. 170. This dish also shares with the current example a slightly bluish-toned glaze on the base. The National Palace Museum also has a dish the same size as the current dish, and bearing a similar incised mark on the base, with copper red on the exterior and white interior, ibid., pp. 392-3, no. 169. A further, marginally larger, dish in the same collection has a six-character underglaze blue mark and is glazed copper-red both inside and out, ibid., pp. 390-1, no. 168. Two Xuande copper-red dishes excavated from the site of the imperial kiln were exhibited in Taipei, Xuande Imperial Porcelain excavated at Jingdezhen, Chang Foundation, Taipei, 1998, pp. 265-6, nos. 95-1 and 95-2. One is slighter larger and the other slightly smaller than the current dish. Both of the published copper-red dishes have underglaze blue marks, but many incised marks have been found on other monochrome vessels from the same part of the excavation site.
A Xuande copper-red dish of the same size as the current example in the Palace Museum, Beijing is illustrated in The Complete Collection of Treasures of the Palace Museum - 37 - Monochrome Porcelain, Hong Kong, 1999, p. 11, no. 9, and has the remains of gold dragons and clouds on both interior and exterior. Two slightly larger Xuande-marked copper-red dishes in the Percival David Foundation with similar incised six-character marks inside a double circle are included in Illustrated Catalogue of Ming and Qing Monochrome Wares in the Percival David Foundation of Chinese Art, rev. ed., London, 1989, p. 33, no. 556 and p. 32, and no. A519.