Personal variant of the coat of arms of the Monarchs of Castile (Spanish Monarchs) as Lords of Biscay, 16th-17th Centuries (House of Habsbourg) as shown at the main façade of the General Assembly House of Biscay in Avellaneda. Nowadays used as coat of arms of Enkarterri and Sopuerta.
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Ornaments colors File:Escudosopuerta.jpg
Heralder