Six stoneware dessert plates with Sarreguemines spiral

Set of six stoneware dessert plates stamped Sarreguemines. Atelier d'Art stoneware collection produced in the 1970s and 1980s. Plate in natural glazed stoneware decorated with a khaki-colored spiral border with more or less pronounced black dots. Some small design flaws on the stoneware on some plates. Five of them have no cracks or chips, the sixth has a small chip. Diameter 18cm. Height 2.5cm. Stamp on the back of the plates.