Back Arcivévodská koruna Czech Erzherzogshut German Sombrero archiducal Spanish Couronne archiducale French Osztrák főhercegi korona Hungarian Tocco arciducale Italian Barrete Arquiducal Portuguese Arşidük'ün Kalpağı Turkish Шапка ерцгерцога Ukrainian
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The archducal hat (German: Erzherzogshut) is the insignia of the Archduchy of Austria and is kept in the treasury of Klosterneuburg Monastery. It appears in heraldry such as the state coat of arms of Upper Austria.