Niderviller "stone" shell plates

Three plates with small shellfish (clams, snails, small flat oysters, etc.) from Niderviller, "Pierre" collection. Glazed earthenware, stoneware finish in matte beige cracked tones and white drips. Stamped "Niderviller 1748-1770 France / Hand-painted / Pierre". In very good condition (no accidents, no scratches from use), except for a small notch under the glaze (molding defect) on the edge of one plate. Diam. 21 cm.