Watch List notes:

Costa Rica, copper-nickel 1 colon, date not visible (1975-76), reverse half of split planchet, NGC Mint Error MS 62. KM-186.4. 5.32 grams. Very lightly toned on full reverse, the obverse reduced to just parallel shear-marks and cracks from the split. NGC #4735693-019. Pedigreed to the Tamarindo Collection of Costa Rican Error Coins.
($250-375)