In 1789, Augustinian Carlo Amoretti, Italian Encyclopedist and librarian of Biblioteca Ambrosiana in Milan, discovered the authentic Italian manuscript of Antonio Pigafetta among the scattered holdings of the library.
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Largely with the appearance of the eyewitness account of Ginés de Mafra, the only seaman in Magellan's fleet to return to Mazaua, whose testimony reveals a concrete, measurable description of Mazaua, the skein starting from the garbled version of Pigafetta by Ramusio to the mishandling by Combés to Bellin and finally to Amoretti has been unraveled: Pigafetta's Gatighan is Bellin's Limasava.
The precise story, as told by Antonio Pigafetta and the other witnesses, is the fleet had anchored at a tiny—about 3,930 hectares according to Ginés de Mafra--island-port named Mazaua which The Genoese Pilot said was at latitude 9° north, locating the skerry in Mindanao.
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Following the route earlier traced, the placename points to Pigafetta's Gatighan which is located by Francisco Albo, the pilot who brought Victoria back to Seville, at 10° north latitude just one nautical mile (1.9 km) above the tip of today's Limasawa.