1 7/16" Lookingbill Knife River Chert Arrowhead Found in South Dakota Ex: Dan Maas Collection.North American Artifact Auctions4.7(237)$45(5 bids)13 hrs Left
7.1/4" Pre-Columbian Bi-Point Knife, COA Roy Motley & John Leithoff, Made of Obsidian, Found inHeartland Artifact Auctions4.7(872)$10(1 bid)Mar 08, 2026
2 1/16" Besant Knife River Chert Arrowhead Found in South Dakota Ex: Dan Maas Collection.North American Artifact Auctions4.7(237)$90(6 bids)13 hrs Left
