Tlaxcala is a small state close to the center of Mexico where they have many carnivals with masked dancer called Catrins. The characters portrayed can be male or female, any age or any race. They are also of high quality and often sell to visiting tourists for a lot of money. This black boy mask has been dance a lot. A mush beer gets drunk at the carnivals, which may explain the damage.
Newer ones can be magnificence works of art. One of the great things about Mexican masks is that you can find high art and primitive, low art. Better yet, there are all kinds of animals, monsters, gods, skulls and devils depicted.