Edward Lear, Philae from Biggeh Sunset.
Extensively inscribed with artist pallet references throughout, further titled and dated  ‘Philae from Biggeh, sunset, Feb.3.1854, p. 18’ (lower right). Watercolour. 32 x 50 cm. (12 5/8 x 19 3/4 in.)

Provenance
With Appleby Bros, Trafalgar Square, London, no. 2139, according to label attached verso,
Private Collection, UK

Invaluable.