BEFORE CONSERVATION AFTER CONSERVATION This pottery vessel embodies an irregular ring shape that makes it quite identifiable. Otherwise known as the “doughnut-shaped” vessel, the ring vessel first appeared in the American Southwest region around 500 CE. The specific, vertical style of this ring vessel--that it stands upright, with the spout facing up--did not come … [Read more...] about Hisatsinom Ring-shaped Vessel: Researched and Conserved by Alexandra Thrower