COSTA RICA: 25 Colones (1970) in silver (0,999) commemorating the 25 years of Social Legislation. National arms and date below on obverse. Matemiad sculpture by F. Zuniga, denomination below on reverse. Inside large slab by NGC "PF 63 CAMEO / SOCIAL LEGISLATION ANNIV. / #4992". Cert number: 6634596-001. (KM 194).