This work by Toulouse-Lautrec is part of the collection of the actress <a href="https://en.wikipedia.org/wiki/Am%C3%A9lie_Di%C3%A9terle" class="extiw" title="w:Amélie Diéterle">Amélie Diéterle</a> (1871-1941).
<bdi><a href="https://en.wikipedia.org/wiki/en:Henri_de_Toulouse-Lautrec" class="extiw" title="w:en:Henri de Toulouse-Lautrec"><span title="French painter and illustrator (1864–1901)">Henri de Toulouse-Lautrec</span></a>
</bdi>
Site de la base de données <i>Mutualart</i> : <a rel="nofollow" class="external text" href="https://www.mutualart.com/Artwork/Bal-masque/357A376906D68C45"><i>Bal masqué</i> par Henri de Toulouse-Lautrec.</a>