Costa Rica. 5 Centavos 1905, KM 145, Silver 15 mm, weight 0,98 g. .900, Condition aXF, nice patina

Costa Rica 25 Centavos 1865, KM 106, Silver 24 mm, Weight 6,25 g. .750, Condition F/VF, grey patina, scarce

Costa Rica, 25 Centimos 1948, KM 175, Cu-Ni 23 mm, Condition BU, patina

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

Costa Rica 50 Centimos 1970, KM 189.3, Cu-Ni 26 mm, Condition UNC, patina