It could be the personal collection of Mr. And Mrs. Washington.Hetian jade GuWenYu wall43.6 grams, 7.3 CM diameter 0.5 CM thick 2 CM wideHetian jade jade wall system, the quality of the jade is admirable, quality of a material is exquisite moist, mellow patina, of primitive simplicity style.Assumes the circular, both sides are carved GuWen, clever and vivid, form ancient ancient color, smooth lines, elegant atmosphere, for jade carving art of popular thing in the world.