Earthenware field bottle, thick red shard, silt marbled, four ears, flask holder soil find ceramic earthenware glaze lead glaze, hand turned glazed fired lime cord Pottery flask thick red shard outside with silt marbled and covered with lead glaze two pairs of contrasted ears in the shape of (lions) mask stand foot unglazed archeology Rotterdam City Triangle Cool Coolsingel underground pit import pottery drink travel Soil discovery Coolsingel Rotterdam during metro work.