KM# 860 DUCAT3.5000 g., 0.9860 Gold 0.1109 oz. AGW Ruler: Ferdinand IIIObv: Ferdinand III standing facing in inner circle Rev: Crownedimperial eagle, crown divides date Mint: Graz Note: Prev. KM#440. Austria Holy Roman Empire 1638 1640 1644 1645 1648 1652