Edition 11, Zurich
Edition 10, Zurich
Edition 9, Zurich
Edition 8, Zurich & Geneva
Edition 8, Beijing
Edition 8, Milan
Edition 7, Zurich
Edition 6, Geneva
Edition 6, Zurich
Edition 5, London
Edition 5, Paris
Edition 5, Zurich
Edition 4, Zurich & Geneva
Edition Speciale, Basel
Edition 3, Zurich
Edition 3, Geneva
Edition 2, Zurich
Edition 2, Geneva
Edition 1, Zurich