18mm x 28mm x 5.70mm uimbaya artifacts refers to a range of primarily ceramic and gold objects surviving from the Quimbaya civilisation, which was one of many pre-Columbian cultures of Colombia inhabiting the Middle Cauca River valley and southern Antioquian region of modern day Colombia. The artifacts are believed to have originated during the Classical Quimbaya period 500 BC–600 AD.Quimbaya Jets