Dimensions (cm): Heigth: 21?Diam.: 13 Chinese Qing Dynasty QianLong Tea Powder Porcelain Bottle Vase. The porcelain potted in a shape of double gourd bottle vase, with two bulbous bellies conjoined together, round opening lip, emerging S shape flanked from upper neck to lower belly, raised on ring foot base and slighty concave. The vase body is covered with tea powder glaze. Tea powder glaze is one of the important varieties of iron crystal glaze in ancient China. It is made of iron oxide as colorant and fired by high temperature reduction flame. The glaze is devitrified. The glaze color is yellow green and mixed like tea powder.The Under base bears a reign mark, a six under glazed red script characters reign mark. Made in The Years QianLong Reign Period of The Great Qing Dynasty.