The Latin text on the back makes me think perhaps from the Atlas Major, 1635 but I don't know, I'll be happy to hear your opinions. The item "Blaeu, Map Of Central Africa, Kingdom Of Prester John, ca. 1635" is in sale since Monday, May 27, 2019. This item is in the category "Antiques\Maps, Atlases & Globes\Africa Maps".
The seller is "penguinet_62" and is located in pevensey. This item can be shipped to all countries in Europe, United States, Canada, Australia, Japan, New Zealand, China, Hong Kong, Indonesia, Malaysia, Mexico, Singapore, Taiwan, Thailand, Bermuda, Brunei darussalam, Cambodia, Macao, Philippines, Viet nam.