Low earthenware cup on stand foot, profile rings, between which wave decoration, beaker crockery holder soil find ceramic earthenware glaze lead glaze, hand turned glazed baked White shard. Round standing foot level with soul On the outside three three-shaped rings Two tracks with corrugated grooves between the profile rings Completely green glazed. Restoration is repainted in color archeology Rotterdam Stadscentrum Stadsdriehoek Groenendaal underground pit serving pottery serving up soil founding area Rotterdam Groenendaal at 195 meters approximately 2 12 meters NAP.