<i>Madame Helleu at her Bureau in the Drawing Room of the Artist's Studio</i>, painting by <a href="https://en.wikipedia.org/wiki/Paul_C%C3%A9sar_Helleu" class="extiw" title="en:Paul César Helleu">Paul César Helleu</a>
<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_C%C3%A9sar_Helleu" class="extiw" title="w:en:Paul César Helleu"><span title="French portrait artist (1859-1927)">Paul César Helleu</span></a>
</bdi>
not given
Sotheby's