Rock Art Depicting Commanches, Horses Clad In Leather Armor Discovered In Colorado - From the University of Colorado in Boulder comes the announcement of the discovery of rock art dating to 1700-50. The pictures show Comanches on horseback. The horses are wearing leather armor. The sites are in Colorado and one in Kansas.

The article states that leather armor was practical for maybe a hundred years. After that, the gun was just too prevalent.

The article does not reproduce an example.