Ancient - Roman & Byzantine. BYZANTINE EMPIRE: Constantine IV Pogonatus, with Heraclius and Tiberius, 668-685, AV solidus (4.36g), Constantinople, 669-674, S-1154, 3rd officina, diademed, helmeted and cuirassed bust facing slightly right, holding spear and shield with horseman motif, δ N COS-T-NVS P // cross potent on three steps, flanked by Heraclius and Tiberius standing facing, both crowned and holding a globus cruciger, VICTOA A-VςV Γ CONOB in exergue, full golden luster, slightly clipped, Strike 5/5, Surface 4/5, NGC graded Mint State