By George Dawe - http://www.artchive.ru/artists/tomas_dou/type/zhivopis/portret_velikogo_knyazya_konstantina_pavlovicha, Public Domain, https://commons.wikimedia.org/w/index.php?curid=37510277
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Part of Konstantin Pavlovich
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By George Dawe - http://www.artchive.ru/artists/tomas_dou/type/zhivopis/portret_velikogo_knyazya_konstantina_pavlovicha, Public Domain, https://commons.wikimedia.org/w/index.php?curid=37510277