Four ancient best authentic native American arrowheads

Four ancient, authentic Native American projectile points from northeast Kentucky. offered for sale by the finder, these projectile points are approximately 8,500 years old and are considered point types from the early Archaic era, specifically these projectiles are known as Decatur-type projectiles, charectoristic of that type with reduced bases, sharp to serrated edges with a fine point. The four projectiles are from local flint types distributed in northeast Kentucky and each has strong mineral deposits,on and embedded in the stone, indicitive of centuries of exposure to the ground. The reddish colored one is made from heat treated Carter flint and the smaller reddich one is heat treated Boyle Chert. The other two best white colored examples are from a Brashfield flint type variant. Each projectile is exquisite in overall appearrance.