Heraclius, AE Follis, 627/628, Year 18, Constantinople, Officina 4(No legend)Heraclius (in center), Heraclius Constantine (on right) and Empress Martina (on left) all standing facing, each wearing crown and chlamys, each holding globus cruciger in right handLarge M, monogram 23 to left, ANNO / cross above, X / V / II to right, D below, no exergual lineCON in exergue23mm x 25mm, 5.80g