CAYMAN ISLANDS. 250 Dollars, 1987. London Mint. PCGS PROOF-69 Deep Cameo Gold Shield.Fr-32; KM-86. Mintage: 75. A strongVERY RARE/strong issue commemorating the 40th wedding anniversary of Queen Elizabeth II and Prince Philip. Exceedingly lustrous and brilliant, this is the finest graded example in the PCGS census.