It could be the old collection of Mr. And Mrs. Yetta.Cup: hetian jade swan birdsSpecification: 7.5 cm long. : 5.6 cm wide. High: 5.6 cm. Weight: 113.1 g.Introduction: the collection of hetian jade carved, the jade is exquisite, closely oil bright color, mellow patina, embossed, round, production process, such as valuable.such handiwork technique is rigorous, slicing technique flat and agile, dignified shape, smooth at the top, wall grinding fine, moderate capacity.Phoenix bird decorative carving, vivid, PND tail-on magnificent, long neck slender, graceful and elegant.Overall carver otherworldly, see artisans capabilityposition design, the expression of intention, both spirit and artistic conception, fully reflects the high quality both the temperament of hetian jade and jade carving art aesthetic idea, and accurately capture the very strong life interest, is a rare.