Gundestrup cauldron (left). Plate E from the Gundestrup Cauldron (right), apparently showing Roman warriors.
Wiki says the Chachapoyas originated as a culture at the earliest 750 AD and were adsorbed by the Inca just before the conquest. The were said to be white skinned and many were blond. Where did they originate? That’s a 64 thousand dollar question.