Ming Dynasty or earlier, the stand later Of circular form, carved on both sides around the central aperture with a pattern of tiny hexagonal bosses set within a grid pattern between plain inner and outer borders, encircled by an outer register of archaistic taotie masks, the stone of honey-brown tone with russet inclusions, stand 12.8cm (5 in) diam. (2).Footnotes明或以前 獸面蒲紋玉璧