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<p>[QUOTE=&quot;SPP Ottawa, post: 1581594, member: 39508&quot;]I was not aware, by the title of the thread, that this thread excluded world coins - if the moderators want to remove it, then so be it - I thought it was worth sharing, and in the right thread. But hey, while I am here, and if you want to get picky about nomenclature - is your thread referring specifically to machine doubling, ejection doubling and die deterioration doubling but not hub doubling? Hub doubling (which my example is) is the only type whereby the doubling effect is on the die itself and imparted on the coin, and not a result of the striking process. Calling machine doubling or die deterioration doubling a &quot;doubled die&quot; is a misnomer...</p><p><br /></p><p>FYI - Canadian coins have not had dates manually re-punched on the dies since the mid 1940s. The dies used to strike the George VI silver 50-cent pieces were probably the last ones.[/QUOTE]</p><p><br /></p>

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