The factual accuracy of this coat of arms or the file name is disputed.
Reason: These arms are ahistorical, a later invention; Byzantine families had no dynastic arms, and the particular design is entirely unattested in Byzantine sources, where the double-headed eagle was an exclusively imperial attribute, and never carried anything in its claws.
DescriptionKoressio-Arms.svg
English: Flag depicting the supposed Arms of the ducal Koressio family (c. 1300).
Sable, beneath an imperial crown proper, a two-headed eagle displayed Or, holding in each claw a sword paleways Argent.
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