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Onuba — modern Huelva — occupied one of the oldest continuously settled sites on the Iberian peninsula, its wealth rooted in the copper and silver mines of the surrounding Rio Tinto district, worked intensively under Roman provincial administration. This bronze issue falls within the period of Roman consolidation of Hispania Ulterior, when local communities retained the right to strike small bronze for regional use while silver coinage remained a Roman prerogative. The authorization to mint was itself a political instrument — extended selectively to towns demonstrating loyalty or administrative utility to Rome.