Crystal works of art; works of art of porcelain, ceramic, earthenware, terra-cotta or glass; tangsancai [tri-coloured glazed pottery]; china ornaments; statues of porcelain, ceramic, earthenware, terra-cotta or glass; busts of porcelain, ceramic, earthenware, terra-cotta or glass; figurines of porcelain, ceramic, earthenware, terra-cotta or glass