Mayan Knives and Daggers (Ancient Stone Artifacts)

Since the Mayan calendar ended on December 21, 2012 and a lot of people were worried about the end of the world, why not share some original old Mayan knives and daggers from Central America? These ancient stone age artifacts were all legally obtained from old collections at gun shows , antique shops, artifact shows, and internet sites. The first two are bifacially flaked flint knives that originally would have been mounted or hafted into a handle of some sort. The black obsidian pieces in the middle are