This is a reproduction of a 19th C map used to resolve a land ownership dispute, we found it in the Anthropological Museum (spectacular) in Mexico City.
“The original canvas was used by the people in 1892 as part of a lawsuit over lands. Until 1933 it was in the file of the Ministry of Agriculture and Development. The original is housed in the National Library of Anthropology and History. It is painted on fabric achieved in waist loom and measures 3.25 by 2.25 meters.”