Portrait of Ekaterina Demidova (1783-1830)
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Unknown author<span style="display: none;">Unknown author</span> Неизвестный художник</div>
1820s <div style="display: none;">date QS:P571,+1820-00-00T00:00:00Z/8</div>
Unknown source<span style="display: none;">Unknown source</span>