Silver and gold TongBao fourSize: 3 cm thick 0.3 cm diameter total weight of 29.8 cmThis one silver, and gold, and precious, is of great value.Shape for the relation within the round copper wire, outer edge and center square hole between positive anaglyph text.The whole machine model is derived from the circular square hole copper, show the producers do not provide craftsman.The carver exquisite precision and text norm of carving, no sense of thouths, does not have interest.