Watch List notes:

Popayan, Colombia, 1/4 real, 1831 RU, very rare, NGC AU 55, finest and only example in NGC census. Restrepo-147.3; KM-unl (85.3 for type). Richly rainbow toned with traces of luster, off-center reverse, reportedly among only four known (according to Restrepo) and far superior to Restrepo's Plate Coin that we sold two auctions ago for $1600 hammer. NGC #6058651-007.
($1500-3000)