TYPE Byzantine Empire, Phokas (602-610 AD), bronze half follis, Constantinople mint DESCRIPTION . Obv: Crowned bust facing, wearing consular robes, holding mappa and cross, Latin legend D M FOCAS PERP AVG Rev: Denomination (XX = 20 nummi), cross above, mint mark COS below, officina A REFERENCE: SB 644 GRADING: VF, brown-green patina ORDER INFO: B1992, $40