George III (1760-1820), proof Halfcrown, 1816, georgius iii dei gratia, large laureate head right, rev. britanniarum rex fid: def:, crowned shield in Garter, plain edge (Davies 50; ESC 2088 (615) R2; S.3788), lustrous, some hairlines and tiny marks in the obverse field but brilliant uncirculated, very rare, in NGC Waterbird holder, graded PF63 (Cert. #4861777-011).