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Time of Gallienus (260-268 AD). Pseudo-autonomous issue. AE 19 mm. Alexandria Troas mint, Troas. Obv. COL TROA. Draped bust of Tyche right, wearing mural crown; behind, vexillum. Rev. COL AVG. Horse grazing right; in exergue, TRO. SNG von Aulock 7552; SNG Lewis 1322; SNG Stockholm 2163. 4.45 g. 19.00 mm. Lovely chocolat patina. A few insignificant graffiti, otherwise. EF.