Nice example of the scarce third state of Ruscelli's map of the region bounded by the Eastern Mediterranean and Cyprus in the west and the Euphrates River in the east, based upon Claudius Ptolemy.
Ruscelli's Atlas is an enlarged edition of Gastaldi's smaller format Geographia of 1548, which has been called the most comprehensive atlas produced between Martin Waldseemüller's Geographiae of 1513, and the Abraham Ortelius Theatrum of 1570. Ruscelli and Gastaldi's maps were beautifully engraved on copper, marking a turning point in the history of cartography. From that point forward, the majority of cartographic works used this medium. As it was a harder material than wood it gave the engraver the ability to render more detail.
Gastaldi sought the most up-to-date geographical information available, making the maps in Ruscelli's Geographia among the best maps of the period.
The third state of the map can be identified by the extra Bedouin tent and trees added south of Arabiae Felicis.