4 Reales

Córdoba's provincial coinage persisted well into the mid-nineteenth century precisely because Argentina's monetary unification repeatedly stalled — the 1826 Banco Nacional collapse had gutted any credible central authority, leaving interior provinces to fund their own fiscal needs through local mints. By 1850, Córdoba was operating under a political arrangement that kept it effectively autonomous from Buenos Aires on financial matters.

The .750 fineness is notably below the colonial standard, a deliberate debasement reflecting the chronic silver shortages that plagued interior provincial mints throughout this period.