Southwest Arkansas, Hemstead County, Near Washington, Arkansas. Certain Caddo sites in Arkansas. The item "Rare Prehistoric Native American Caddoan Mississippian Effigy Pottery Vessel" is in sale since Friday, October 8, 2021. This item is in the category "Collectibles\Cultures & Ethnicities\Native American\ US\Pre-1600\Pottery". The seller is "worthingtongal" and is located in Gallatin, Tennessee.This item can be shipped worldwide.