<bdi><a href="https://en.wikipedia.org/wiki/en:Benjamin_Vautier_(Swiss_artist)" class="extiw" title="w:en:Benjamin Vautier (Swiss artist)"><span title="Swiss artist (1829-1898)">Benjamin Vautier</span></a>
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<a rel="nofollow" class="external text" href="https://www.kollerauktionen.ch/de/311577-0001-----5034-vautier_-benjamin-d.ae.-_morg-5034_130865.html?RecPos=7">Koller Auktionen, Zürich, 21. Juni 2013, Lot 3015</a>