Watch List notes:

Cordoba, Argentina, 1 real, 1840 *P*(N*P*), castle type, rare, NGC VG 10, ex-O'Brien.Janson-13.1.1; KM-14.3.78 grams.Bold full date (sideways 4) and sunface but weak and/or crude closer to rims (hence not all the PNP is visible), lightly toned and actually less worn than grade implies (evidently netted for quality of strike), single-die variety in (Janson Type II) with rosette and crossed lances below castle and dot and rosette after CORDOVA.Pedigreed to the John O'Brien collection (stated on label).
($200-300)