This ancient Roman coin bears the image of Emperor Constantine II, adding historical significance to its collection. The coin has a fineness rating of VF, indicating its good quality. It is a BI Half-Centenionalis coin minted during the House of Constantine period, specifically during the reign of Gallus. The coin's exact denomination, composition, and KM number are unknown, adding to the intrigue of this ancient piece. It has been certified by NGC, ensuring its authenticity. This coin is a must-have for collectors interested in ancient Roman history.