This is a rare 1750 nautical chart of the Pacific Ocean by the French map publisher N. Bellin.  
<dl><dd><ul><li>Harkens to the great age of Pacific piracy and privateering. Based on a similar chart in English prepared three years earlier by Seale. Chart depicts the trade routes used by <b><a href="//commons.wikimedia.org/wiki/Category:Manila_galleon" title="Category:Manila galleon">Spanish Galleons</a></b> from Acapulco, Mexico heading towards Manila in the Philippines.</li>
<li>In particular, this chart depicts the travels of the Spanish Nostra Seigniora de Cabadonga and the British Navy Commodore George Anson.  Anson lead an ill-equipped expedition into the Pacific with the mission to attack Spanish dominions in South America. Though he failed in this mission, Anson did succeed in capturing the Spanish treasure galleon off Cape Espiritu Santo on June 20, 1743. The Spanish galleon was loaded with gold, silver and, more importantly, nautical charts depicting the trade routes used by Spanish Galleons between Mexico and Manila for the previous 200 years. This significant discovery allowed the British to disrupt Spain’s trade in the Pacific and thus economically handicap the Spanish dominance of the New World. Following his capture of the Nostra its treasures were paraded through the streets of London in no less than 32 wagons. Anson was hailed as a national hero.</li>
<li>Beautifully details the Pacific islands including Japan, the Philippines, Guam, as well as much of the Mexican and California coast.  Names numerous important destinations along the California coast including Cabo San Lucas, San Diego, and Acapulco.  Rhumb lines throughout.</li>
<li>Several editions of this map were produced between 1748 and 1752.  This example is by far the most uncommon and desirable due to its superior craftsmanship, the fact that it is printed on higher quality paper, its notable wide margins, and Bellin's addition of an elaborate decorative title cartouche in the upper right quadrant.  If you have been considering adding an example of this map to your collection, this is the one you want. Drawn by Bellin and published as a supplement to the 1851 French edition of Anson’s book  A Voyage Round The World, In the Years MDCCXL, I, II, III, IV .</li></ul></dd></dl>
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<a href="//commons.wikimedia.org/w/index.php?title=Creator:George_Anson&amp;action=edit&amp;redlink=1" class="new" title="Creator:George Anson (page does not exist)">Creator:George Anson</a></div>
1750 (undated)
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