Signed photograph of Nellie Melba Dedicated to Mary Campbell, 1915 black and white portrait inscribed in black ink to lower border 'To Dear Mary Campbell From Nellie Melba, New York 1915', framed; a souvenir programme 'Farewell of Dame Nellie Melba, Royal Albert Hall' 25 June, 1926, signed and inscribed on the front cover in black ink 'With My Love Nellie Melba; and a 'La Traviata' harmonica, German (3) overall 31 cm x 14 cm other notes, the photograph in this lot is probably dedicated to Mary Campbell who was one of the ghostwriters of Melba's singing theory 'The Method', 1926.