Alexandria, Troas. AE20, semi-autonomous. ca 200-268). CO TROAD, Draped bust of Tyche right, wearing mural crown; CO AV on banner to left. COL AVGO TRO, eagle standing front, head left, wings spread, on forepart of bull right Rev. legend var of Bellinger A491; BMC 57; SNG Munich 64; SNG Cop 115; SNG von Aulock 1467; Hunter 15 (all with TROA on rev.) With permission of cngcoins.com, Feb 2015