Kirk Serrated 3D Models
Kirk Serrated type spear points illustrated in "The Formative Cultures of the Carolina Piedmont", by Joffre L. Coe, Transactions of the American Philosophical Society vol. 54, pt. 5, 1964, Figure 60. These spear points were made by American Indians living in North Carolina during the Early Archaic period (about 7000-6000 BC).