Popayan, Colombia, 1/4 real, 1830 RU, unique, Restrepo Plate. Restrepo-147.2 (this coin); KM-unl. 0.80 gram. Darkly toned obverse with fully detailed pomegranate and unique date ("one known" in Restrepo--this coin--within an already-rare six-year type), slightly off-center reverse with only a splash of brown toning, VF overall. Plate Coin on page 149 of Restrepo's Coins of Colombia (4th ed., 2012).
Estimate: 1000 - 2000 USD