I believe this was part of his Atlas de geographie which was published in 1851. Frame measures 26" x 20" and map measures about 16" x 13.5" not including margins.
Please see pictures for details and condition. I will work hard to make sure you are satisfied and you can always start a case if you are not happy with my response. As always, if you have information that could help me improve my listing please share the knowledge and let me know. Check out my other items. The item "Beautiful Antique French Map of Continent of Africa Afrique Dufour Paris c1850" is in sale since Monday, April 8, 2019.This item is in the category "Antiques\Maps, Atlases & Globes\Africa Maps". The seller is "gg11311" and is located in Arlington, Virginia. This item can be shipped worldwide.