A BLUE AND WHITE DOCUMENTARY INKSTONEDaoguang jiachen nian guiyue zhong yuan zhi mark, corresponding to 1844 and of the period Robustly potted, of circular form with a raised concave section surrounded by a narrow well, the exterior with curved sides and painted in underglaze blue with the attributes of the Eight Daoist Immortals including a double-gourd, fan and fish-drum, the underside with underglaze blue mark and inscription. 11.7cm (4 1/2in) diam. Please note this Lot is to be sold at No Reserve. 本拍品不設底價 道光甲辰年（1844） 青花「暗八仙」硯臺 「道光甲辰年桂月中浣」款 Provenance : S. Marchant and Son, London, 9 June 1991 Published, Illustrated and Exhibited : S Marchant and Son, Nineteenth Century Mark and Period Porcelain , London, June 1991, p.33, no.28 來源 ：倫敦古董商 S. Marchant and Son，1991年6月9日 展覽及錄著 ：S Marchant and Son，《Nineteenth Century Mark and Period Porcelain》，倫敦，1991年6月，頁33，編號28 The inscription may be translated as: 'Made in the second ten days of the month when the cassia flowers in the Jiachen year of the Daoguang period (1844)'. pare with a related earlier blue and white inkstone, Longqing six-character mark and of the period, illustrated by G.Tsang and H.Moss, Arts from the Scholar's Studio Hong Kong, 1986, pp.122-123, no.90. See a related but earlier blue and white documentary porcelain inkstone, dated to 1621 and of the period, which was sold at London, 8 November 2018, lot 141.