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Alexandria Troas was a Roman colony — Colonia Alexandria Augusta — established by Antigonus and later refounded under Lysimachus, with Julius Caesar and Augustus both reportedly considering it as an alternative imperial capital before Rome's primacy was settled. The city retained the right to strike autonomous bronze coinage well into the third century, producing a long and overlapping series that spans multiple reigns and makes precise attribution notoriously difficult without die study. The SNG Copenhagen and Munich references narrow this piece to a recognizable type, but the 130-year production window reflects genuine ambiguity across the series.