Watch List notes:

PR70 DCAM | Elizabeth II (1952-), gold proof Half Ounce of Fifty Pounds Britannia, 2000, Half Ounce of 999.9 fine gold, crowned head right, IRB initials for designer Ian Rank-Broadley, Latin legend and toothed border surrounding, ELIZABETH II. D. G. REG. FID. DEF., rev. design by Philip Nathan, standing figure of Britannia holding trident and shield, inscription 1/2 OUNCE FINE GOLD BRITANNIA 2000, (S.BGE3). Proof as struck, graded by PCGS as PR70 DEEP CAMEO.

PCGS Certification 40878305.

The Latin legend on obverse translates as "Elizabeth the Second by the Grace of God, Queen, Defender of the Faith".
(£700-£900)