Bogota, Colombia, 1/2 real, 1840RS, PCGS AU58. Restrepo-177.4; KM-96.1. 1.48 grams. Bold strike (with slight central bulge on obverse), light toning on muted luster, in fact second finest known in PCGS census behind a single MS 64. PCGS #34958698.
Estimate: $200-300