Argentina (Cordoba)
Cordoba, Argentina, 4 reales, 1852, Rioja-style rays around sun, NGC AU 58, ex-O'Brien.Janson-64.1.1; KM-31.Lustrous and lightly rainbow-toned, the sunface side very slightly off-center, light high-point wear only.Pedigreed to the John O'Brien collection (stated on label).
Estimate: 200-300 USD