Rhyton in calcified nephrite longwei gong, China, 19th - 20th centuryThe stone decorated with natural strata passing from light beige to dark gray, to finish in reddish brown hues. The rhyton has a movable ring under the beak hanging from a handle carved in the mass. Height: 12.5 cm十九-二十世纪 钙化玉双环单耳来通杯