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Author: WikiMatrix
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English[en]
His "cartwheel" pieces were well-designed and difficult to counterfeit, and included the first striking of the large copper British penny, which continued to be coined until decimalisation in 1971.
French[fr]
Ses pièces de type « cartwheel » étaient difficiles à contrefaire et les pence en cuivre continuèrent d'être frappés jusqu'à la décimalisation de 1971.