Histroical map representing the Roman Empire, introduced by Ortelius into the Theatrum Orbis Terrarum extra.
<bdi><a href="https://en.wikipedia.org/wiki/en:Abraham_Ortelius" class="extiw" title="w:en:Abraham Ortelius"><span title="Flemish cartographer, geographer and cosmographer (1527–1598)">Abraham Ortelius</span></a>
</bdi>
immediate source: <a rel="nofollow" class="external text" href="http://www.raremaps.com/maps/large/20848.jpg">raremaps.com</a>; other versions: <a rel="nofollow" class="external autonumber" href="http://www.swaen.com/zoom.php?id=9217">[1]</a> <a rel="nofollow" class="external autonumber" href="http://www.alte-landkarten.de/images/20448-01.jpg">[2]</a>