Valdivia Celt from Ecuador, ca. 3000 - 1200 B.C. A beautiful Valdivia stone celt from Ecuador, ca. 3000 - 1200 BC. It is 3 long and is made from a beautifully striated gemstone. The piece is highly polished, has good mineral deposits and comes mounted on a stand. Ex Kowinski estate. Value range: $300 - $450.