<bdi><a href="https://en.wikipedia.org/wiki/en:Carlo_Portelli" class="extiw" title="w:en:Carlo Portelli"><span title="Italian painter">Carlo Portelli</span></a>
</bdi>
1. <a rel="nofollow" class="external text" href="http://www.artnet.com">Artnet</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=1849336">1849336</a> (sale 6323, lot 73, London, 7 July 2000)