First is a detailed chart of the Strait of Magellan by J.N. Bellin from Prevost's Histoire des Voyages, dated 1753 (13 x 7"). Second is a nice chart of St. Julian harbor, located in Argentina on the east coast of Patagonia. It was engraved by Jan van Schley and published in a Dutch edition of Anson's Voyages, circa 1765 (6.5 x 8.5").