This early map of Brazil is by Jacopo Gastaldi (circa 1500-circa 1565), a Piedmontese cartographer who worked in Venice and rose to the position of cosmographer of the Venetian Republic. Gastaldi produced maps and illustrations for parts of Delle Navigationi et Viaggi (Travels and voyages), a compilation of travel writings by the Venetian diplomat and geographer Giovanni Battista Ramusio (1485-1557). Ramusio’s work contained more than 50 memoirs, including the writings of Marco Polo. Commerce; Indians of South America; São Francisco River; Silver River (Argentina and Uruguay)