Female portrait head in the form of a mask

This mask is of unknown provenance. The eyeballs are made of a different material and inlaid, as were the irises, which were made of glass paste.该面具来源不明。眼球采用异质材料制作并经镶嵌固定，虹膜亦采用相同工艺，其材质为玻璃浆（glass paste）。