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Great Britain. Proof Halfcrown, 1887. S.3924; KM-764; ESC-720. Victoria, 1837-1901. Jubilee. Mintage 1,084 pieces struck. Gem Proof with gorgeous golden blue and mauve iridescent toning, its mirrors deeply reflective. Rare so fine. Finest we have ever seen. NGC graded Proof 67 Cameo. Estimated ...