BYZANTINE. Heraclius, with Heraclius Constantine (610-641). AR hexagram (23mm, 5.94g). Constantinople mint. Struck, 615-638. Heraclius on left, and Heraclius Constantine on right, seated facing on double throne, each holding globus cruciger in r. hand; above, small cross; around, d N ҺЄRACLIЧS ЄT ҺЄRA CONS / Cross-potent on globe above three steps; to r., K; around, dЄЧS AdIЧTA ROMANIS. MIB 140; DOC 64; SB 798.