ARAB-BYZANTINE: Rashidun Caliphate, AE fals, (26mm, 6.97 g)Three standing figures c. 637-643. Imitating a follis of Nicomedia, uncertain mint in Syria, Obv: Three imperial figures standing facing, each wearing crown surmounted by cross and holding globus cruciger in right hand. Rev: Large M between blundered date and ANO; above, cross; below; A; in exergue, NIKe.