1257 imperial election

Seal of Richard, Earl of Cornwall, showing him enthroned as King of the Romans. Seal inscribed: RICARDUS DEI GRATIA ROMANORUM REX SEMPER AUGUSTUS. ("Richard by the grace of God King of the Romans ever august").
Peter II, Count of Savoy is invested with the vicariate general by Richard (right, wearing peach) (painting by Angelo Verolengo, 1863).

The 1257 imperial election was a double election in which the prince-electors of the Holy Roman Empire split into factions and elected two rivals, earl Richard of Cornwall and King Alfonso X of Castile, each claiming to have been legally elected.