Detail of a world map from the Portalan atlas of Battista Agnese. The third name from the bottom-left says Campana de Roldan after the Flemish sailor  Roldán de Argot who was the first to see the Pacific on the voyage of Magellan.
<bdi><a href="https://en.wikipedia.org/wiki/en:Battista_Agnese" class="extiw" title="w:en:Battista Agnese"><span title="Italian cartographer">Battista Agnese</span></a>
</bdi>
1544
<a rel="nofollow" class="external text" href="http://memory.loc.gov/ammem/gmdhtml/gnrlagn.html">The Library of Congress</a>