Jean Spath (German, 19th Century), A view of Constantinople from the water. Photo: Christie's Images Ltd., 2010

signed, inscribed and dated: 'Jean Spath. Hamburg. 1897' (lower right), watercolour on paper; 30 x 60¾ in. (76.2 x 154.4 cm.) - Estimate £6,000 - £8,000. Price Realized £22,500

European School, 19th century, A view of Constantinople. Photo: Christie's Images Ltd., 2010

oil on canvas; 20 1/8 x 30½ in. (51.2 x 77.5 cm.) - Estimate £1,500 - £2,500. Price Realized £3,750

Christie's. Quai d'Orsay, Paris - An Apartment by Jacques Grange, 19 November 2010, London, King Street www.christies.com