Watch List notes:

Costa Rica, 1 colon, 1923 countermark (Type VIII) on a Costa Rica 50 centavos of 1918, PCGS MS64, c/m UNC detail, ex-Davis Burnett (stated on label). KM-165. 9.70 grams. Bold and lustrous, with splashes of rainbow toning, the finest specimen we have seen and among the highest graded by either PCGS or NGC. PCGS #34946908. Pedigreed to the Davis Burnett collection.

Estimate: $200-300