It could be the old collection of Mr. And Mrs. Dupont.: hetian jade liu's poemsSize: 9 cm wide 6 cm thick 1.2 cm weighs 178 gHetian jade, thick material jade materials standards, edge thinking fruity and delicate.Positive bas-relief Liu Haitu engraved on the back of poetry.The whole thinking exquisitely, exquisite design, make the person feel wild and has the feeling of wonderful artical excelling nature, fits the characteristics of "empty, gone with the wind, fine", xingyi and beauty.