3 5/16" x 1 3/8" Karnak, Grey Local Chert, Butler Co. Missouri, Ex. George RobertsonHeartland Artifact Auctions4.7(909)$10Aug 23, 2026
3" x 1 11/16" Dickson, Burlington Chert, Cass Co. Missouri, Ex. George RobertsonHeartland Artifact Auctions4.7(909)$10Aug 23, 2026