TWO KOREAN MONOCHROME VASES. 20th Century. The first with a pear-shaped body and a slender neck, the second with a bulging shoulder and a narrow neck over a tapered body, each decorated overall with an even pale blue-grey glaze, signed and stamped Jeong-Woong Yoon to the underside, 30.5cm H. (2) Provenance: an English private collection. 二十世紀 單色瓶兩件 來源：英國私人收藏。 A copy of the original certificate is available upon request. ---------------------以下为软件翻译，仅供参考---------------------