Admiral de Fonte Sea of West Fictional North America 1754 rare de L'Isle mapA General Map of the Discoveries by Admiral de Fonte & Others. (Old Maps, 18th Century Maps, Pacific Ocean, Fictional Cartography, North Pacific, Russia, Kamchatka, Company Land, Alaska, Sea of the West). Issued 1754, London by De L'Isle. Scarce mid 18th century engraved map with attractive hand color. Map depicts fictional cartography, including several islands in the northern Pacific with passages, as well as the non existent huge Sea of the West