Old National Geographic Maps

Seen this group listed for $15.00 ea. I will sell for $50 for 6 total 1954 National Geographic: A map of California with descriptive notes, June (954 1963 National Geographic: Africa Countries of the Nile, Atlas Plate 56, October 1963 1960 National Geographic: Africa, Atlas Plate 54, September 1960 1963 National Geographic: Australia, Atlas Plate 59, September 1963 1958 National Geographic: British Isles, Atlas Plate 31, July, 1958 1947 National Geographic: Canada, Alaska & Greenland, June 1947 you get all six for this price