6 hollow plates of the Slalom service in porcelain 70s

2 sets of 6 hollow plates of almost square shape with the porcelain slalom decoration. White berry, french manufacture of the 70s. Vintage brown decorations on a white background, they. Are in very good condition. The plates are 21.8 cm ø and 3.5 cm high. They weigh 400 gr the plate. I propose in another ad the flat plates in 2 lots of 6 pieces.