2. Golden Mask of a Thracian king Archeologists have discovered a 2,400-year-old golden mask that was likely made for a Thracian monarch's funeral. The mask is a full face with moustache and beard. The rare artifact is made of 600 grams of solid gold . Georgi Kitov and his team find this mask in the summer of 2004 near the village of Shipka . The mask may belong to King Seutus III, the Thracian king who ruled in the fifth century .