Final Price Reduction Old Collection: Chinese Antiques [Beautiful Natural High-Grade Round Seal Material] Rare and Precious New, Unused Natural Seal Stone Purchased in 1987 at Liulichang, Beijing, famous for the Four Treasures of the Study. I have too many seal stones and can't use them all, so I'm offering them for sale in the hope that someone else will. Although new and unused, it has been stored at home, so thank you for your understanding. High-Grade Calligraphy and Seal Carving Masterpiece Essential for Calligraphers