Green glass, yellow circle, brown infill, abstract design.
<div class="fn value">
Unknown artist<span style="display: none;">Unknown artist</span></div>
1880–90
<a rel="nofollow" class="external text" href="https://collection.cooperhewitt.org/objects/18423223">Catalog</a> <a rel="nofollow" class="external text" href="https://images.collection.cooperhewitt.org/114790_c7eccce1c86baa50_x.jpg">Photo</a>