Cordoba, Argentina, 1/4 real, 1838, NGC XF 40, finest and only example in NGC census, ex-O'Brien.Janson-3.2; KM-1.1.0.63 gram.Scarce date (wide-castle variety), crude details with faint luster and very light toning.Pedigreed to the John O'Brien collection (stated on label).
($200-300)