World Proof Sets (13) Japan 1988, Barbados (3) 1973, 1974 (2), Bahamas 1974, British Virgin Islands (2) 1974, 1977 Silver Set, Solomon Islands 1977, Papua New Guinea 1975, Belize 1974, Trinidad and Tobago 1976, Iceland 1974, Cayman Islands 1974 nFDC to FDC, some with toning, most with full brilliance, in the cases of issue, most with certificates