Two large South Dakota Knives that are very well patinated. 1 is pictured! Largest is 4".

Two large South Dakota Knives that are very well patinated largest is 4” . From the collection of the late Harlan Olson. The darker point on the right is Published in “Rare and Unusual Indian Artifacts – Identification and Value Guide” Lar Hothem 2007 page 36. Harlan Olson personal find 2003.