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Lot Essay
It is rare to find this type of vase with a Yongzheng, rather than a Qianlong mark. Compare a similar Qianlong-marked vase in the Exhibition of Chinese and Other Far Eastern Art Assembled by Yamanaka & Co., New York, 1943, no. 915. See, also, a similar Qianlong-marked vase sold in these rooms, 24 March 2004, lot 235.
J. Ayers illustrates a larger version without a mark in the Baur Collection - Chinese Ceramics, vol. 3, Geneva, 1972, no. A 289, where he notes that "kiln transmutations (yao pien), liable to occur during the firing of the copper-red glazes were first exploited during the reign of Yong Cheng, when attempts to imitate the effects of ancient Chun wares were made; when in some cases - as here - the process was assisted by adding splashes of cobalt."
J. Ayers illustrates a larger version without a mark in the Baur Collection - Chinese Ceramics, vol. 3, Geneva, 1972, no. A 289, where he notes that "kiln transmutations (yao pien), liable to occur during the firing of the copper-red glazes were first exploited during the reign of Yong Cheng, when attempts to imitate the effects of ancient Chun wares were made; when in some cases - as here - the process was assisted by adding splashes of cobalt."