text: Many discoveries of precolonial gold artifacts go unreported because the gold is found or stolen by treasure hunters, who simply melt the gold down for profit. Among the most important gold artifact discoveries are the "Surigao Treasure" found by construction worker Berto Morales in 1991, the Agusan image found by Manobo woman Belay Campos in 1917, the Bolinao Skull discovered by the National Museum of the Philippines at the Balingasay Archaeological Site in Bolinao, Pangasinan,and the Oton Death Mask excavated rom San Antonio, Iloilo on Panay Island by a team from the National Museum of the Philippines and the University of the Philippines Diliman in the 1960s.