Stoneware drinking bowl low model with vertical top edge, sparingly glazed, bowl scale bowl tableware holder soil find ceramic stoneware glaze salt glaze, bottom, hand turned glazed fried Stoneware drinking bowl upright drinking rim. Outside largely glazed. Light gray shard archeology Rotterdam Kralingen-Crooswijk Struisenburg Oostmaaslaan indigenous pottery import drinking begs Soil discovery: Oostmaaslaan at the site of the Schieland pumping station.