TYPE Byzantine Empire, Heraclius (610-641 AD), bronze half follis, Rome mint DESCRIPTION . Obv: Facing crowned busts of Heraclius and son, cross above, legend DD NN ERACLIORVN (partial) Rev: Denomination (XX = 20 nummi), cross above, mint mark ROM in exergue REFERENCE: SB 889 GRADING: AVF, rough mixed green patina, scarce ORDER INFO: B3052, $48