World Map New Holland Negroland 1801 Oliver & Boyd rare double hemispheres mapA General Map of the World from the Best Authorities. (Old Maps, 19th Century Maps, World Maps, Double Hemispheres, North America, South America, Africa, Europe, Asia, Oceania). Issued c. 1801, Edinburgh by Oliver & Boyd. Possibly engraved by Neele. Very scarce early 19th century engraved map with original hand color. Charming engraved vignette scene within bottom cusp depicting a cherub and sailing ship, the globes surrounded by hanging swag