Heraclius (610-641), with Martina and Heraclius Constantine.     AE Follis. Cyzicus mint, 1st officina. Dated RY 18 (627/8).   Obv.    Heraclius, in center, flanked by Martina, on left, and Heraclius Constantine, on right, each wearing crown and chlamys and holding globus cruciger.        Rev.   Large M; cross above, monogram to left, ANNO X/ЧI/III above and to right; below, A; in exergue, KYZ.     MIB 177; D.O. 186; Sear 841.     6.74 g.   24.00 mm.        Pleasant green brown patina.    VF.