DEC418503 A Duett at the Hanover Square Concert, 1788 (etching & w/c) by Nixon, John (1760-1818); 21x13 cm; Gerald Coke Handel Collection, Foundling Museum, London; (add.info.: after Nixon\'s drawing of Theodosia Abrams (d.1849) English contralto and Harriett Abrams (c.1758-1821) English soprano and composer; annual benefit concert for the tenor Samuel Harrison at Hanover Square Rooms, 9th May 1788; singing the duet \'Gia che mia sposa sei\' by Antonio Sacchini;); 穢 Gerald Coke Handel Collection, Foundling Museum ; English, out of copyright.