Watch List notes:

Costa Rica, copper-nickel 1 colon, 1970, struck on a 50 centimos blank, NGC Mint Error MS 64. KM-186.2. 7.19 grams. Good luster with hint of golden toning, full details (very slightly off-center) despite striking on an undersized flan. NGC #4735693-017. Pedigreed to the Tamarindo Collection of Costa Rican Error Coins.
($200-300)