Painting of the Divine Mercy (in this version by an unknown author) that became better known and spread throughout the world..
<bdi>After <a href="https://en.wikipedia.org/wiki/en:Adolf_Hy%C5%82a" class="extiw" title="w:en:Adolf Hyła"><span title="Polish artist (1897-1965)">Adolf Hyła</span></a>
</bdi>
Archives of the Congregation of the Sisters of Our Lady of Mercy