Russian manuscript maps -- Three manuscript pen, ink and wash maps, consisting of one of Astakhan and the mouths of the River Volga, 330mm. x 700mm., a map of the course of the rivers between the Don and the Volga, 1620mm. x 680mm., and a map of the country around Uzbek on the Caspian, the later with the tracks of the Russian and the German expeditions of exploration, of the 18th and early 19th century, 790mm x 630mm., [all circa (?)1800-1830] (some tears and several crude repairs)., and a manuscript plan of an estate belonging to Prince Grigorii Potemkin, (1786). (4)