Miniature painting on gilded glass medalion <a rel="nofollow" class="external autonumber" href="http://www.hp.uab.edu/image_archive/ulh/painting01.jpg">[1]</a> from Museo Civico Cristiano at  Brescia. It was proposed in XVIII c., that medalion depicts a portrait of <a href="//commons.wikimedia.org/wiki/Galla_Placidia" class="mw-redirect" title="Galla Placidia">Galla Placidia</a>. However modern scholars  firmly rejected this identification: <a rel="nofollow" class="external autonumber" href="https://www.jstor.org/pss/3046553">[2]</a>
between III and V c.
<a rel="nofollow" class="external free" href="http://www.taivaansusi.net/historia/antiikki/parp581.jpg">http://www.taivaansusi.net/historia/antiikki/parp581.jpg</a>