Bannerstone, ca. 2000 B.C., United States, Ohio or Illinois, Archaic, Slate, banded, H. 2 5/16 x W. 3 1/2 x D. 1 1/8 in. (5.9 x 8.9 x 2.8 cm), Stone-Implements, Bannerstones are weights for spear-throwers, the long shafts that propelled the actual da