<i>Study of the heads of two boys</i>
<bdi><a href="https://en.wikipedia.org/wiki/en:Cornelis_de_Vos" class="extiw" title="w:en:Cornelis de Vos"><span title="Flemish painter">Cornelis de Vos</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://www.britishmuseum.org/collection/object/P_1941-1108-17">https://www.britishmuseum.org/collection/object/P_1941-1108-17</a>