Study of one of the Medici Lions.<br>Recto: <a href="https://en.wikipedia.org/wiki/Pen" class="extiw" title="en:Pen">pen</a> and brown <a href="https://en.wikipedia.org/wiki/Ink" class="extiw" title="en:Ink">ink</a> over black <a href="https://en.wikipedia.org/wiki/Chalk" class="extiw" title="en:Chalk">chalk</a>, a further study of the same Lion in black chalk on the verso.
<bdi><a href="https://en.wikipedia.org/wiki/en:Giuseppe_Bernardino_Bison" class="extiw" title="w:en:Giuseppe Bernardino Bison"><span title="Italian painter (1762-1844)">Giuseppe Bernardino Bison</span></a>
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