Alexandria, Troas. AE21, 4.69 g. AD 138-268. COL TRO, turreted, draped bust of Tyche right, CO AV on vexillum behind head. TRO, horse grazing right, herdsman stabding right behind, tree to right. BMC 52 var. (legends, tree position). CNG 58, lot 87. With permission of cngcoins.com, Feb 2003.