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. 50 Colones 1974, Green Turtles (Chelonia mydas), Series: Wildlife Conservation, KM 200a, mintage of 11000 pcs, Silver 38,6 mm, weight 28,28 g. .500, Condition Proof

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

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. 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. Set of 25 Centimos 1948, 1976, 1980:

- 25 Centimos 1948, KM 175, Cu-Ni 23 mm, weight 3,50 g., Condition VF,
- 25 Centimos 1976, KM 188, Cu-Ni 23 mm, weight 3,50 g., Condition VF,
- 25 Centimos 1980, KM 188.1a, Nickel-plated Steel 23 mm, weight 3,20 g., Condition VF

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

Costa Rica. 10 Colones 1975, 25th Anniversary of the Central Bank, KM 204, Nickel 33,80 mm, weight 16,0 g., Condition UNC

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

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

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

Costa Rica. Set of 2 coins: 5 Centavos 2010 and 10 Centavos 2009, KM 276.6a and KM 277, Condition UNC

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

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