Byzantine Empire. Heraclius, with Heraclius Constantine and Heraclonas. 610-641 A.D. Gold Solidus 4.42g. Constantinople mint. . Heraclonas, Heraclius and Heraclius Constantine standing facing, each holding globus cruciger. / Cross potent set on three steps; monogram to left, CONOB. DOC 41b; MIB 48; SB 765. VF+.