<a href="https://en.wikipedia.org/wiki/Belarusian_National_Arts_Museum" class="extiw" title="w:Belarusian National Arts Museum">Belarusian National Arts Museum</a>. The paintings (from left to right) are:
<ol><li><a href="https://en.wikipedia.org/wiki/Krzysztof_Wiesio%C5%82owski" class="extiw" title="w:Krzysztof Wiesiołowski">Krzysztof Wiesiołowski</a> (1636), by an unknown painter,</li>
<li>Grizeli Sapega (1632), by an unknown painter, and of</li>
<li><a href="https://pl.wikipedia.org/wiki/Aleksandra_Marianna_Wiesio%C5%82owska" class="extiw" title="pl:Aleksandra Marianna Wiesiołowska">Alexandra Marianna Veselovskaya</a> (1640), also by an unknown painter.</li></ol>
Stamp of Belarus, 2007.
post of Belarus
<a rel="nofollow" class="external free" href="http://belpost.by/stamps/catalog-by-date/2007/">http://belpost.by/stamps/catalog-by-date/2007/</a>