Alexandria, Troas. AE21, 5.46 g. AD 138-268. COL TROA, turreted, draped bust of Tyche right, CO AV on vexillum behind head. COL AV TRO, horse grazing right. Frank Sternberg AG, 35, Lot 267. Rev. legend var of SNG von Aulock 7552 etc. With permission of Frank Sternberg AG, Oct. 2000.