器物典藏-元 (传)郑思肖端石抄手砚 Ch'ao-shou-shaped inkstone, attributed to the artist Cheng Ssu-hsiao, Tuan River stone, Yuan dynasty(13-14th century)

长方形抄手砚式，砚面平直，砚尾无栏，另三边稍稍突起宽棱，一字形池；砚背自尾端往砚首斜下。石色青紫，间有青黄斑点与线纹。