<bdi><a href="https://en.wikipedia.org/wiki/en:Albrecht_D%C3%BCrer" class="extiw" title="w:en:Albrecht Dürer"><span title="German painter, printmaker, mathematician, and theorist">Albrecht Dürer</span></a>
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C. 1498. Maybe a study for heraldic paintings of around 1500. The wrong date 1514 and the monogram on the sheet have been added later in another hand.
Unknown source<span style="display: none;">Unknown source</span>