Drawing, 'Peregrine Falcon' by Frederick Sandys (1829-1904) , pencil & watercolour & black ink, 1842; 45.1 cm x 28.3 cm; in ink lower centre 'FALCO PEREGRINUS, // PEREGRINE FALCON.'; inscribed and dated in pencil lower left 'Peregrine Falcon // May 13 1842'; numbered in ink upper right '15.'; in pencil on old backing paper 'Immature Peregrine Falcon [?Im], Female'