COSTA RICA. Proof Set (5 Pieces), 1970. Italcambio Mint. All PCGS Certified.1) 25 Colones. KM-194. PCGS PROOF-67 Deep Cameo. Serial #417. 25th Anniversary of Social Legislation.2) 20 Colones. KM-193. PCGS PROOF-67 Deep Cameo. Venus de Milo.3) 10 Colones. KM-192. PCGS PROOF-68 Deep Cameo. Attempt at Central American Unification.4) 5 Colones. KM-191. PCGS PROOF-68 Deep Cameo. Founding of New Carthage.5) 2 Colones. KM-190. PCGS PROOF-68 Deep Cameo. Central Bank.