Earthenware dish with double corrugated outer edge and silt decoration on mirror and flag, dish crockery holder soil find ceramic earthenware glaze lead glaze clay, hand turned glazed decorated fried lemonade Pottery dish with silt decoration Deep mirror and wide flag. Outer border decorated with double wave of finger impressions. Stand with traces of relief Decoration consists of: in the mirror circle of arrowheads within double circle on the flag alternately series of arcs from large to small interspersed with stylized ear of corn Decoration on the band stands between two or three yellow circles archeology Rotterdam City Triangle Groenendaal underground pit pottery serve serve table eat archaeological find in the soil Rotterdam underground pit Groenendaal direction Oostplein 1976-09-23.