Watch List notes:

Constantine IV (A.D. 668-685), gold Solidus, mint of Constantinople, P CONSTANUS PP A, pearl-diademed, helmeted and cuirassed bust facing, slightly inclined to the right, holding a spear and shield, rev. VICTORA AVGU A, cross potent on three steps, CONOB in exergue, 4.19g, 6h (S 1157; DO 12). Of fine style, lustrous, extremely fine.