Willem Albert Bachiene; 1712 - 1783.

Preacher, geographer, astronomer, this real renaissance man, once a theology student at the University of Utrecht, served as chaplin (padre) in the army. In 1764, he was appointed Professor of Astronomy and Geography at the Illustre School in Maastricht. He produced a large amount of maps and writings related to the Holy Land, the church organization in Holland, etc..
A lot of his work was published after his death till 1796.

Kaart van Louisiana, en Florida

This map (8 5/16" X 12 5/8") was included in Bachiene"Atlas tot Opheldering der Hedendaasche Historie", edited in 1785 by M Schalekamp in Amsterdam.
It is rather unusual: the coastal delineation is quite correct (specially for the Louisiana part which the French knew very well after forty five years of presence in New Orleans, founded in 1718), but the states lines are quite erratic and unlike the trademark professional precision of Bonne*. On the Atlantic side, the Georgia Florida border does not follow the St Marys river, The western most Florida border is not following the Iberville river. The state line between the two Carolinas is pure fantasy. Louisiane still extends deeply east of the Mississippi (french sovereignty over that area was terminated by the first treaty of Paris in 1763). And finally: no mention is made of the two Floridas. Under the British rule (between 1763 and 1783), Florida was partitioned into West (capital city: Pensacola) and East (capital city: St Augustine).
Note also the profound ignorance of the inland geography of the Florida peninsula (strange shape and location for the Okeechobee lake, here named St Esprit, or Holy Ghost).
No text on verso.
* Said state lines are not important in 1780 (both Georgia and Florida belonged to England)...but after the Revolutionary War ended, Georgia fell with the newly established USA while Florida was back under the control of Spain....imprecision of borders will have some unfortunate consequences..