A SCROLL-FORM DUAN INK STONE AND A ROCK CRYSTAL BRUSH RESTQING DYNASTY, 17TH-19TH CENTURYDecorated on both sides with poetic inscriptions about writing, the ink stone is carved on the top with a circular well surrounded by clouds. The bottom is additionally inscribed with a five-character seal reading, wenzhang qiangu shi (excellent articles will be read for thousands of years). The brush rest is carved in the form of a six-peaked mountain range, with waves incised at the bottom and lingzhi etched on the reverse.Ink stone: 3 3⁄4 in. (9.4 cm.) wide, zitan boxBrush rest: 4 1⁄2 in. (11.5 cm.) wide, hardwood stand, cloth box