COSTA RICA. 8 Escudos, 1828-CRF. PCGS Genuine--Ex Jewelry, AU Details Secure Holder.Fr-1; KM-17. Most details remain visible, with some faintness on the sunface and near absence of the "8" on the reverse. Once mounted in a jewelry setting, the surfaces are slightly brightened from cleaning with several marks at the edges where prongs held the coin in place. An affordable example of this classic type as a result.PCGS Genuine--Ex Jewelry, AU Details Secure Holder.