Heavily patinated 4 5/8" Stemmed Knife found in the Midwestern U.S.

Heavily patinated 4 5/8" Stemmed Knife found in the Midwestern U.S. 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.