CNG ebay - Pontos, Amisos. Æ 21mm. VF $51.00 Dec-20-00 Pontos, Amisos. Circa 120-63 BC. Æ 21mm (7.91 gm). Helmeted head of Mars right / Sword in sheath. SNG BMC Black Sea 1148. VF, red-brown patina. 714968 historicalcoins.com.