. . . "The hinged plaque on one cover opens to reveal a watch with an enamel dial, whilst the other conceals a miniature of the Palais Royale, in Paris. \n\nSir Arthur Gilbert and his wife Rosalinde formed one of the world's great decorative art collections, including silver, mosaics, enamelled portrait miniatures and gold boxes. Arthur Gilbert donated his extraordinary collection to Britain in 1996."@en .