The silhouettes of the four heads of Louis XVI and other members of the French Royal family hidden in the outlines formed by two vignettes of instruments of imprisonment and a tomb; above is an all-seeing eye in a triangle.  c.1795
<br>Etching
<a rel="nofollow" class="external free" href="https://www.britishmuseum.org/collection/object/P_1861-1012-441">https://www.britishmuseum.org/collection/object/P_1861-1012-441</a>