<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_Signac" class="extiw" title="w:en:Paul Signac"><span title="French painter (1863-1935)">Paul Signac</span></a>
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<a rel="nofollow" class="external text" href="https://www.sothebys.com/en/auctions/ecatalogue/2010/impressionist-modern-art-evening-sale-n08633/lot.36.html">Sotheby's, New York, 05 May 2010, lot 36</a>