Ming/early Qing dynasty|The first, carved of greenish-yellow jade with russet inclusions, the second carved from black stone with geometric white, crystalline patterns resembling chrysanthemum heads, each resembling water-worn rocks, and with a conforming wood stand. 4 1/3in (11cm) and 5 1/2in (14cm) wide|明或清早期 玉雕山子筆架及菊花石筆架Chrysanthemum stone, found in Hunan province, is often elaborately carved to form scholar's rocks that highlight its spectacular crystal patterns. A chrysanthemum stone scholar's rock was sold at Christie's New York, 16 September 2010, sale 2339, lot 1223. Brush rests carved from jade in the form of scholar's rocks are an intriguing and elegant convention of the scholar's desk. A similar reticulated jade brush rest was sold in our New York rooms, 14 September 2015, sale 22461, lot 8110.