Antoninus Pius, AE drachm of Alexandria, Egypt. 35mm, 22.44 g. Dated Year 10, AD 146-147. Laureate head right. LI beneath Herakles running right beside one of the horses of Diomedes, grasping the reins and wielding club. Diomedes lying slain on the ground. Dattari (Savio) 8505 (this coin); Emmet 1553-10 Ex Giovanni Dattari Collection, no. 8505. Rare. With permission of cngcoins.com, Sept 2011