Costa Rica, Copper-Nickel pattern 1 centavo 1892 ("1 CENTAVO"), KM Pn6, Cu-Ni 20 mm, Condition NGC SP 66 Cameo, very rare trial struck in Cu-Ni in perefct condition The only and highest grade for this type of coin in NGC.
Costa Rica 25 Centimos 1948, KM 175, Cu-Ni 23 mm, Condition UNC, patina