Coins 4Greek Italy. Coastal Etruria, Populonia. AR Unit, late 4th century BC.D/ Wheel with long crossbar, central pin supported by two struts.R/ Blank.HN Italy 126. EC I, 19.2 (01).AR.g. 0.86 mm. 12.00RRRR.Extremely rare and superb. Untouched dark grey patina. Good VF.One of fewer than ten known examples, and among the finest.