1970 Costa Rica 25, 20, 10 Colones Proof Silver Coins

For sale are 3 very beautiful and collectible 1970 Costa Rica silver proof coins. 25 colones, 20 colones and 10 colones coins. All .9999 silver. These have not been circulated but they do have signs of slight colouring. These are 3 very nice looking coins, would make a nice addition to a coin collection.