This solid gold coin in an 18 kt gold setting is from the Constantinople mint, struck 637-638 AD. The coin depicts three figures, and Heraclius can be identified in the center with a long mustache. On the left is Heraclonas and Heraclius Constantine is on the right. The reverse depicts the True Cross on three steps which is believed to be the very cross on which Jesus Christ died. All coins come with certificate of authenticity.