Giant Duan Inkstone with Landscape and Poem Inscriptions, Chen Guanjun Mark. Rectangular old pit duan stone material, deep relief layered mountains, thatched cottages and lone boat at the upper part, a large natural fiery streak ribbon on the ink pool, large characters carved on the back reading Wealth Lies in Contentment, Honor Lies in Humility, Diligence Makes Up for Clumsiness, Frugality Cultivates Integrity, signed with Chen Guanjun??s mark, total length of the inkstone 60.5cm, width 31cm, thickness 3cm, a giant study inkstone inscribed by a famous master of Ming and Qing dynasties.