Liber Studiorum: Plate 29, Harlech Castle, N. Wales, 1838. John Sell Cotman (British, 1782-1842). Softground etching, from a bound volume containing 48 plates; sheet: 49.6 x 32 cm (19 1/2 x 12 5/8 in.); platemark: 18.9 x 12.5 cm (7 7/16 x 4 15/16 in.