1912 Antique Map Balkan Peninsula, Aegean Archipelago at CarambasVintage http://etsy.me/13wSf7S
I found another beautiful map of the North Pole published by Justus Perthes in 1912. It has the routes of exploring expeditions from 1850 to 1902. See the wonderful inset map of the distribution of Aurora Borealis on the lower right corner. Find it at carambas