Charles-Nicolas Cochin (1715–1790) The Invention of Printing. (Watermark for Hénault, *Nouvel abrégé chronologique de l'Histoire de France*..., Paris, Prault père et fils, Dessaint et Saillant, 1749). Etching. 130 x 100 [150 x 117 mm]. Very fine print on laid paper. Slight traces of glue along the edges on the reverse. Narrow margins. Stamped AABM (Lugt 3075). Ref.: Christian Michel, *Charles-Nicolas Cochin et le livre illustré*, Geneva, Droz, 1987, p. 256 and fig. 81. ("Most often, he etched the plate and corrected proofs completed by others—whose names we do not know...," ibid., p. 253).