418527 Johann Mattheson, engraved by Johann Jakob Haid (1704-67), c.1744 (mezzotint) by Wahl, Johann Salomon (1689-1765) (after); 36x23.6 cm; Gerald Coke Handel Collection, Foundling Museum, London; (add.info.: Johann Mattheson (1681-1764) German composer, writer, lexicographer, diplomat and music theorist Portrait made in or soon after 1744, following Mattheson\'s appointment a Legation Councillor to the Duke of Holstein); 穢 Gerald Coke Handel Collection, Foundling Museum ; German, out of copyright.