Collection 7 Chinese Monochrome Porcelain Vases: 18th Century Turquoise glaze on biscuit with unglazed base, dark brown glazed double gourd with recessed base and kiln grit to foot, a light blue glazed vase with meiping mouth and flared foot, a lemon yellow enamel glazed bottle shaped vase with clear glaze inside and to foot with double rings in underglaze pale blue, an underglaze red vase with tall tubular neck and recessed base, a blue and brown glazed double gourd with recessed base, and a pale yellow vase with 4 character "Jingdezhen zhi" seal mark in underglaze blue to pale yellow base. Height of yellow enameled bottle vase 7 3/4 inches (19.5 cm.).