The <a href="https://en.wikipedia.org/wiki/Flag_of_Brittany" class="extiw" title="w:Flag of Brittany">Flag of Brittany</a>, known as <i>Gwenn-ha-du</i> which is <a href="https://en.wikipedia.org/wiki/Breton_language" class="extiw" title="w:Breton language">Breton</a> for "white and black". Its blazon is "Sable, four bars Argent; the canton ermine".
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