TYPE Byzantine Empire, Phokas (602-610 AD), bronze half follis, Constantinople mint, officina 'delta' 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 'delta' REFERENCE: SB 643 GRADING: AVF, face weaker, thick dark brown-green patina ORDER INFO: B2394, $35