 If this was the case, Shchukin suggests it was a matter of transferred ideas rather than of imports.These bracelets types can be explained by the typology of the local tradition of the Hallstattian period; and there were similar bracelets in the Thracian world of today's Romania and Bulgaria.Such examples include a mid-3rd-century BC spiral dragon-headed ring; a spiral snake-headed ring from Nesebar (Messembria); 4th century BC spiraled bracelets from Aitos; and a 3rd-century BC snake-headed ring of unknown origin in the British Museum.