清 綠端硯及紫檀蓋盒

the inkstone of rectangular form, the top with a grinding surface leading to a recessed well, framed by a slightly raised border, the underside with a slightly recessed base, the smoothly polished stone of a dark green color, the conforming box and cover with the straight sides rising from four low bracket feet to a slightly rounded top, the densely grained wood of a dark reddish-brown color (3)

王青路，《中国民藏文物鉴赏丛书. 文房集雅》，北京，2007年，圖版96