Portrait of Charles-Nicolas Cochin II. Artist: After Charles Nicolas Cochin II (French, Paris 1715-1790 Paris); Augustin de Saint-Aubin (French, Paris 1736-1807 Paris). Dimensions: Mount: 13 3/8 ? 11 1/8 in. (33.9 ? 28.2 cm) Sheet: 7 1/2 ? 4 15/16 in