Watch List notes:

Medellin, Colombia, 50 centavos, 1886, Bogota-style head, fineness 0,500 / 0,835, rare (unlisted). Restrepo-unl. (cf. 313.1); KM-unl. (cf. 177a.2). 12.53 grams. AXF with lightly struck centers, faint toning and underlying luster, this type not listed in Restrepo and KM with re-engraved fineness.

Estimate: $600 - 900