專家說明
A comparable urn with plain spouts and a bulbous banded body from the Metropolitan Museum of Art is illustrated in Oriental Ceramics, Kodansha Series, vol.11, col.pl.68 and by Valenstein, A Handbook of Chinese Ceramics, fig.98; a second from the British Museum is illustrated in ibid. vol.5, no.83; a third from the Tokyo National Museum in ibid., vol.1, no.44; and a fourth from the Museum of Fine Arts, Boston, in ibid., vol.10, no.112