This is a reproduce map believed to be Zheng He's Voyage.
Chinese map of the world dated 1763, claiming to be a reproduction of a 1418 map of Zheng He's (1371-1433) voyages and to prove that Zheng He sailed both to Australia and the Americas. Many think the map is more likely to be based on 18th century European maps. Discovered by Lui Gang in 2005.. Photography. Encyclopædia Britannica ImageQuest. Web. 12 Mar 2015.