Heartland Artifact Auctions is holding a Pre-Columbian, Native American Artifact & Collectibles Auction on August 9th, 2026, featuring a large mammoth jaw bone, fossilized Eskimo Inuit bone artifacts, various arrowheads, and Pre-Columbian items. Another Native American & Pre-Columbian Artifact Auction is scheduled for August 23rd, 2026, showcasing arrowheads, drills, and axes from various cultures.