4 3/8" Single Notch Butterfly Bannerstone with "worm tracks" on surface. Noble Co., Indiana.

4 3/8" Single Notch Butterfly Bannerstone made from green and black Banded Slate with "worm tracks" on surface. Found in Noble Co., Indiana. From the collection of David and Josephine Ramp. The Ramp collection was featured in Who's Who in Indian Relics