BYZANTINE EMPIRE. CONSTANS II, AD 641-668. Solidus, with Constantine IV, Constantinople, about 654-659. AV 4.38 g. DN CONSTANTINYS C CONSTANT Facing busts of Constans with long beard, and Constantine, beardless, each wearing crown and chlamys; between their heads, cross. Rev. VICTORIA - AVΓYΓ / CONOB Cross potent on three steps. DO II/2, 427,25c; MIB III, 238,26; Sear 203,959. Short flan. Extremely fine