Brown speckled Bartmann jug, also called Bellarmine jug, fragment without neck, Bartmann jug jug crockery holder soil find ceramic stoneware clay engobe glaze salt glaze, hand turned stamped molded glazed baked stoneware jug gray shard brown brindled salt glaze tail archeology Rotterdam City triangle Haagseveer Doele Goals import pottery drink save packaging transport archaeological find in the soil Rotterdam: Targets 1956.