COSTA RICA. 1000 Colones, 1970-BCCR. NGC PROOF-69 Ultra Cameo.Fr-23; KM-199. Mintage: 3,507. Commemorating the 150th Anniversary of independence in 1821. A brilliant and attractive large gold issue, featuring exceptionally mirrored fields and frosted cameo devices. Serial numbered 335 on the obverse, this massive piece contains 4.3124 ounces of gold and is tied with five other specimens for the finest in the NGC census.