YONGZHENG SIX-CHARACTER MARKS IN UNDERGLAZE BLUE WITHIN A DOUBLE CIRCLE AND OF THE PERIOD (1723-1735)

Similar miniature dishes from the Elphinstone Collection in the Percival David Foundation are included in Illustrated Catalogue of Ming and Ch'ing Monochrome, London, 1973, nos. B543 and 544; and another pair is illustrated by J. Ayers in The Baur Collection: Chinese Ceramics, vol. 3, Geneva, 1972, pl. A 487 and 488.