4 7/16" Winged Bannerstone, Indiana, Glacial Slate.

4 7/16" Winged Bannerstone found in Miami Co. Indiana made from Banded Glacial Slate. Ex. Cameron Parks Collection. From the collection of Walter Dudkewitz who bought the Boardman collection in 1970. Walt is pictured in the 1976 Whos Who in Indian Relics #4 page 78.