A pair of silver 'Grate' earclips, by Nana Ditzel for Georg Jensen Each convex silver square of pierced linier design, clip fittings, signed Georg Jensen, pattern 389, Danish assay mark, European convention mark, length 2.9cm, maker's case Nana Ditzel (1923-2005) won first prize in the Royal Jeweller Anton Michelsen competition for a necklace. In 1954 she became the first female designer of jewellery and hollowware for Georg Jensen. She was also widely regarded for her furniture and textile designs.