coat of arms of the city of Posen (today <a href="//commons.wikimedia.org/wiki/Pozna%C5%84" title="Poznań">Poznań</a>).
<a href="//commons.wikimedia.org/wiki/Category:Coats_of_arms_by_Otto_Hupp" title="Category:Coats of arms by Otto Hupp">Otto Hupp</a>
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