GREAT BRITAIN. 500 Pounds, 2014. Llantrisant Mint. Elizabeth II. NGC PROOF-69 Ultra Cameo.S-BGH2; KM-1330. Mintage: 75. AGW: 5.0 oz. High relief. A <strong>RARE</strong> and impressive specimen, this Britannia issue delivers exquisitely frosted devices and intensely mirrored fields--the sum of which is a tantalizing cameo nature.NGC PROOF-69 Ultra Cameo.