Pottery chamber pot with curved soul, bandoor, upright neck, pot holder sanitary earthenware ceramic earthenware glaze lead glaze, bottom, hand turned glazed baked Pottery chamber pot with curved bottom Standing sausage ear Ball-shaped shape with short cylindrical neck Outstanding top edge Kuil in the upper edge where the attachment of the ear is. Internally only glazed under the neck opening on the bottom. Externally glazed on the shoulder on one side Adhesion on the inside and outside Restoration is painted on color archeology underground pit Rotterdam City center Stadsdriehoek Groenendaal indigenous earthenware sleeping night room hygiene drains archaeological find in the soil Groenendaal on first 50 meters subway at 20 meters and 1 meter NAP found 1975-09 -9.