It could be the old collection of Sapir.: hetian jade grain pendant engraved look and flowers and birdsDiameter of 5.2 cm, 0.2 cm thick, heavy 23 gIn hotan white jade as the material, superior quality of the jade, jade is exquisite, have oil feeling, thick material, assumes the circular, peripheral week corrugated lines, engraved look central flower on grain, novel and unique, the exquisite carver, shape, smart, modelling don't boring, fully reflects the builders superb technology level.