Costa Rica. 100 Colones 1974, Manatee, series: Conservation, KM 201a, Silver 42 mm, weight 35 g. .925, mintage 11000 pcs, Condition Proof

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

Costa Rica. 5 Centavos 1890, KM 128, Silver 15 mm, weight 1,20 g. 750, Condition VF, cleaned

Costa Rica. 50 Centimos 1923, KM 159, counterstamped on 25 Centavos 1890 HEATON KM 130, Silver 25 mm, weight 6,20 g. .750, Condition VF

Costa Rica. 1 Colon 1923, KM 164, counterstamped on 50 Centimos 1903 KM 143, Silver 29 mm, weight 9,90 g. .900, Condition VF+

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

Costa Rica 2 Colones 1968, KM 187.2, Cu-Ni 32 mm, Condition UNC

Costa Rica. Set of 25 Centimos, 50 Centimos and 1 Colon 1935:

- 25 Centimos 1935, KM 171, Cu-Ni 23 mm, weight 3,30 g., Condition VF
- 50 Centimos 1935, KM 172, Cu-Ni 25 mm, weight 6,20 g., condition VF
- 1 Colon 1935, KM 173, Cu-Ni 29 mm, weight 9,90 g., Condition VF+

Costa Rica. 100 Colones 1974, Manatee (Trichechus), Series: Wildlife Conservation, KM 201a, mintage of 11000 pcs, Silver 42 mm, weight 35,0 g. .500, Condition Proof

Costa Rica. 50 Colones 1974, Green Turtles (Chelonia mydas), Series: Wildlife Conservation, KM 200, mintage of 7599 pcs, Silver 38,6 mm, weight 25,55 g. .500, Condition aUNC

Costa Rica. 5 Colones 1999, KM 227a, Cu-Al-Ni 21,60 mm, weight 4,0 g., Condition UNC

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. Set of 5 Colones and 10 Colones 2008, KM 227b, KM 228b, Aluminum 21,40 mm and 23,50 mm, weight 1,0 g. and 1,20 g., Condition BU

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

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