1974 Emissions
a) 50 colones
Theme: Conservation of Nature and the Natural Resources
Metal composition: .500 silver, .400 copper, .050 nickel, 0.50 zinc
Weight: 25.31g
Coins Minted: 11250 proof and 6650 not proof
b) 100 colones
Theme: Conservation of Nature and the Natural Resources
Metal composition: .500 silver, .400 copper, .050 nickel, 0.50 zinc
Weight: 31.65g
Coins Minted: 10840 proof and 6650 not proof
c) 1500 colones
Theme: Conservation of Nature and the Natural Resources
Metal composition: .900 gold, .100 silver
Weight: 33.44g
Coins Minted: 816 proof and 2370 not proof
Read more about this topic: Commemorative Coins Of Costa Rica