Great Britain. Matte Proof Halfcrown, 1951. S.4107; KM-878. George VI. Obverse; Portrait of king left by H. Paget. Designer's initials HP below. Reverse; Shield hanging from hook, date and denomination. Struck for photographic purposes and extremely rare. NGC graded Matte Proof 66. WINGS. Estimate Value $2,000 - 2,500