It could be the old collection of Barrett.The late: hetian jade blue pageSize: 8.6 cm wide and 3.4 x 1.2 cm weighs 64.3 g.Summary: the quality of the jade is exquisite, glossy fat slippery, density is big, to fitfortable, carve pattern of primitive simplicity, lines, and beautiful nature, lasting appeal is dye-in-the-wood, wear market.