PROVENANCE: From Celina, TX Private Collector. Dimensions: Heigth: 31 cm, Diameter: 24 cm Chinese Qing Dynasty Qianlong Tea Dust GlazedPorcelain Sky Ball Vase. The finest porcelain potted in reward shape vase, thick and tall, oval globular lower body, tapered gracefully toward straight tall cylindrical neck, round mouth rim, raised on a short ring foot base with slight concave. Warm and uniform tea dust glaze applied to the surface, only the outer bottom is white glazed. 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. Green is called tea, yellow is called powder. The Under-base bears a reign mark, a six under glazed brown script characters reign mark. Made in The Years QianLong Reign Period of The Great Qing Dynasty.