Pottery plate or lid of starch pot, completely glazed, lid closure part starch pottery earthenware earthenware glaze lead glaze, hand turned cut glazed baked Red earthenware entirely glazed color brown rings Roughly rectangular end and round side. All edges crooked cut archeology Valckensteyn Poortugaal Albrandswaard indigenous earthenware egg wood starling bird Soil discovery: moat at kitchen castle Valckensteyn at Poortugaal now Albrandswaard 1961