Large Authentic Early Archaic Period Thebes found in Cooper Co. This piece is made out of a beautiful patinated Burlington Chert. It has beautiful form, symmetry and flaking. This piece is simply awesome. This piece is ex- Gerald Walters Collection. A true gem and at least a G 9- G 10 when Graded. 4 7/8 inches in length. Please ask any questions you may have before making an offer and feel free to ask for more photos if you need to see other angles. Good Luck to All. The item “Large Archaic Thebes Arrowhead found in Cooper Co. MO. Made of Burlington Chert” is in sale since Sunday, September 25, 2016. This item is in the category “Collectibles\Cultures & Ethnicities\Native American\ US\Pre-1600\Artifacts”. The seller is “topviewantiquesandco” and is located in Delhi, Ontario. This item can be shipped worldwide.