Earthenware salt bowl, red shard, with yellow inside, salt-dish dishware holder earthenware ceramic earthenware glaze, hand-turned glazed baked earthenware salt dish. Red shard entirely glazed. Bowl shaped mirror with angled flag Deep section yellow glazed. Standring. Restauration is repainted archeology Rotterdam City Triangle Oostplein underground pit indigenous earthenware salt table serving food condiment Soil discovery Rotterdam underground pit Oostplein from large rubbish pit 1976.