A bannerstone is an enigmatic Native American artifact found in the eastern United States. They come in a range of shapes and sizes and are made of various types of stone. These stones have been discovered in graves dating to the Archaic period (8000 to 1000 BC), but there are questions if the artifacts were used for ceremonial or practical purposes.
Butterfly Banner Stone
The Archaic Period 8,000 BC - 1,000 BC