ARTHUS BERTRAND Astonishing open-work band bracelet in yellow gold (750) with central decoration of an openwork paraboloid shape in gold filaments. Goldsmith's hallmark 'R.R'. Weight: 66.1 g. - Wrist circumference: 17.5 cm. Slight wear scratches. Case in the shape of the Maison. Provenance: This unique jewel was made by the Arhtus-Bertrand company to designs by Maurice Bayen (1902-1974), a great physicist. Notably Rector of the Academy of Clermont-Ferrand (1950-1954), Director of the Palais de la Découverte (1960-1964) and Rector of the University of Strasbourg, he had met André Arthus-Bertrand (1885-1982) during their captivity in Germany, and the two men remained friends thereafter. This bracelet remained in Maurice Bayen's family.