Caricature of Franz Liszt playing the piano. Signed and dated <i>al Bertrand/Juin 1845</i>. Pen and black ink, 22.3 x 16.5 cm
Al Bertrand
<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=5282590">5282590</a> (sale 5950, lot 52)