Unit

Obulco — modern Porcuna in Jaén province — was one of the few Iberian mints to issue coins bearing bilingual legends in both Iberian script and Latin, a reflection of the city's rapid accommodation to Roman administrative presence following the Second Punic War. The mint was unusually prolific for an inland Turdetani settlement, producing bronze on a scale that suggests Obulco functioned as a regional economic hub for the upper Guadalquivir valley.

ACIP 2178 falls within a long emission sequence spanning several generations, making precise dating within the bracket difficult. The weight standard drifted noticeably across the series as Roman influence on local metrological conventions tightened.