<i>The Black Spider</i>, chalk on paper, 54,5 x 51 cm; Museum of Art Lucerne, Switzerland
<bdi><a href="https://en.wikipedia.org/wiki/en:Franz_Karl_Basler-Kopp" class="extiw" title="w:en:Franz Karl Basler-Kopp"><span title="Swiss artist (1879-1937)">Franz Karl Basler-Kopp</span></a>
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