Parchment-covered wood, ebonised wood, ebonised veneered wood, palm wood-veneered wood, palm wood, maple-veneered wood, horn.

late 1930s

114.6 x 143 x 27.5 cm (45 1/8 x 56 1/4 x 10 7/8 in.)
114.6 x 143 x 40.3 cm (45 1/8 x 56 1/4 x 15 7/8 in.), open

Produced in Italy. Together with a letter of authenticity from Giacinta Ulrich.