Wikipedia
An Imperial Crown is a crown used for the coronation of emperors.
Usage examples of "imperial crown".
A poet trained in the court chapel of the Salian king sang from a lengthy poem celebrating the virtues and fame of the great emperor, Taillefer, he who had risen from the kingship of Salia to the imperial crown of Darre.
The banner displaying the imperial crown flew gloriously above all the rest as a bannerman hauled it back and forth to let the fabric stream.
King Henry has lingered many years in Aosta seeking an imperial crown.
Taillefer is dead, and King Henry's imperial crown lost in the south after the cataclysm.
At the designated place, Shaddam came to a stop and turned to face the High Priest of Dur, who now held the glittering Imperial crown on a gilded pillow.
Nevertheless, he did retrieve the imperial crown from the quagmire of republicanism.
He can demur, and say that the alliance was formed out of popular opinion, and his bid for the imperial crown was not his doing at all, but one launched by traditionalists in his behalf as the most worthy candidate.
The Prime Minister, however, was entitled to a full and impartial report, which he would scarcely get from Count Erskyll, on this new jewel in the Imperial Crown.
After the defeat and death of his Swabian rebel, Henry descended into Italy, to assume the Imperial crown, and to drive from the Vatican the tyrant of the church.