Charming map of the legendary land of the Christian king, Prester John, with his fortified kingdom shown atop a mountain. The Nile River emanates from two large lakes near the Lune Montes (Mountains of the Moon). The map includes a collection of offshore islands between the east African coast and Madagascar and is adorned with a large strapwork title and scale cartouche. Engraved by Petrus Kaerius. Latin text on verso.
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Condition: A
Watermarked paper with some show-through of text on verso and remnants of hinge tape on verso.