Authentic Exceptional large side knife Burlington chert from Crowley co Ks. For Sale

Authentic Exceptional large side knife Burlington chert from Crowley co Ks. Ex L. Vanslooten collection. Very thin well - made.
size: 4 3/8\'\' X 1 9/16\'\'F19Material: Burlington chert.I do combine shipping. Buyer is responsible for return shipping cost.See photo`s for more description please use your own judgement on quality.Artifacts will have mineral staining / deposits from recovery coming from ground.Retiring from collecting selling off my collection. I combine shipping cost with multiple items.I ship using U.S.P.S ground / priority / Heavy weight items will ship Fed x or U.P.S. No International shipping. Payment is due 3 days after sale.Any questions message me. Please check out my other artifacts offered many of them are personal finds and ONE OF A KIND most Have not been seen or handled by modern man. Artifacts from Antrim co. Are from ancient culture of people called Assugun in the Algonquin Language = Bone people.