Fragment of reddish-brown room ease, with slightly pinched ear, twisted lips and cable edge, pot holder sanitary earthenware ceramic earthenware glaze lead glaze, bottom, hand-turned glazed baked Fragment of earthenware chamber pot with curved bottom Wide neck opening Fully glazed Decorated with cable edges on the shoulder. Standing bandoor Red shard archeology underground pit Rotterdam City center Stadsdriehoek Groenendaal indigenous earthenware night sleeping room hygiene disposal soil founding subway Groenendaal at 20 meters and 1 meter NAP found 1975.