Alexander Calder, halssieraad, circa 1940. Courtesy of Louisa Guinness Gallery©

Alexander Calder, halssieraad, circa 1940, zilver
Alexander Calder, halssieraad, circa 1940. Courtesy of Louisa Guinness Gallery©

Alexander Calder, halssieraad, circa 1940. Courtesy of Louisa Guinness Gallery©