Copper coat of arms of the later count William IV, part of horse cage, coat of arms information shape ornament batter ground find copper bronze metal, cast driven engraved riveted Elongated cylindrical rod that vertically rests on key-shaped flat plate with stalk and three eyes as if in tripod; so-called 'male' is attached to each of the eyes; the stick is rejuvenated at the top in pin; to this shield has been attached that can move freely; second shield hinged at the top hinges archeology Rotterdam City Center C.S.-Quarter Weenaplein Hof van Weena castle Weena count William IV Henegouwen heraldry horse rider knight lock adornment Soil discovery: found 1905 at the foundation of Hof van Weena west side Weenaplein.