Keywords: Princely hat (shaded).svg en Hat heraldically worn by princes of the Holy Roman Empire and in the past also by princes in the Low Countries 2015-07-08 File Limburg hertogskroon svg Tom-L <gallery>File Princely Hat svg File Crown of prince of the Holy Roman Empire svg File Princely hat flat svg File Limburg hertogskroon svg</gallery> CC-0 SVG coat of arms elements - crowns of the Holy Roman Empire Heraldic crowns of the Holy Roman Empire Heraldic Princely crowns Ermine headgear in art Russian princely crown and mantling Ermine crowns SVG coat of arms elements - crowns of Russia |