<bdi><a href="https://www.wikidata.org/wiki/Q43139127" class="extiw" title="d:Q43139127"><span title="Swedish artist">Carl Gustav Ulfsparre</span></a>
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1. <a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/en/private/carus_carl_gustav/artworks/4960/0/">Arcadja auction results</a><br>2. <a href="https://en.wikipedia.org/wiki/Christie%27s" class="extiw" title="en:Christie's">Christie's</a>, LotFinder:  entry  <a rel="nofollow" class="external text" href="https://www.christies.com/LotFinder/lot_details.aspx?intObjectID=4474821">4474821</a> (sale 1495, lot 41, New York, 5 - 6 April 2005)