Bogota, Colombia, cob 1/2 real, Charles II, no assayer, NGC VF 30, finest and only example in NGC census. Restrepo-M54.2; KM-A8. 1.52 grams. Very bold full monogram with parts of king's name in legend, bold full cross (slightly off-center) with what appear to be sideways castles (but in proper quadrants) and most of HISPANIARVM in legend, contrastingly toned.
Estimate: 300 - 450 USD