GREAT BRITAIN. 100 Pounds, 2001. Llantrisant Mint. NGC PROOF-69 Ultra Cameo. S-BQ5 (old 4451); Fr-457; KM-1023. Mintage: 1,000. AGW: 1.0035 oz. Revisiting the famous Una and the Lion design with a modernized Art Deco flair, this nearly-flawless piece offers a delightful reverse proof effect that ultimately yields an alluring matte nature to the image.