Potential collectors Brown spent some time in China around 1941.Hetian jade nail grain jade ring3.6 cm high, 5.3 cm diameter, diameter 4 cm long, weighs 111.4 gramsHetian jade is material, the quality of the jade is exquisite, the whole barrel, nail surface carving drum lines, the overall like nature itself, grinding refined, simple and beautiful.Of primitive simplicity and elegant, extremely valuable.