Compare the black-ground silk woman's informal vest of slightly earlier date, similarly embroidered with small butterflies on the front and back panels, as well as the borders, included in the exhibition, Five Colours of the Universe, Symbolism in clothes and fabrics of the Ch'ing Dynasty, The Edmonton Art Gallery, November 7, 1980 - January 11, 1981, illustrated by John E. Vollmer in the Catalogue, pp. 6-7