Watts O.M., George Frederick (1817 – 1904) – Study for ‘Fata Morgana’. Watts O.M., George Frederick (1817 - 1904) Study for 'Fata Morgana'. Pencil. Provenance: Lilian MacKintosh, the artist's adopted daughter. 9x12.5 inches. Framed: 16.75x20 inches. Sold Favourite