Qing Dynasty, Yongzheng 6-character mark within a double circle and of the period (1723-1735)
The cups are thinly potted with deep rounded sides. The interior is evenly covered with an opaque white glaze and the exterior with an enamel of bright yellow tone. The white base is painted in underglaze blue with a six-character Yongzheng mark within a double circle.
Three cups of identical shapes and sizes can be found in the Victoria & Album Museum, published in Kerr, Rose. Chinese Ceramics: Porcelain of the Qing Dynasty 1644-1911, London, 1996, p. 93, Catalogue No. 69
Another example can be found in the Palace Museum, published in The Complete Collection of Treasures of the Palace Museum – 37 – Monochrome Porcelain, Hong Kong, 1999, p. 59, Catalogue No. 53