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<p>[QUOTE="Paddy54, post: 2061455, member: 19250"]Case in point the shield nickel weight 5 grams comp. .750 copper .250 nickel Dia. 20.5 mm vs Liberty nickel 5 grams comp.750 copper .250 nickel however dia. Was 21.2 mm. That difference of .7 mm thickness made the Shield nickel harder to strike using the same comp. Of copper and nickel. .7 mm thickness does not seem a lot but it was as dies only got 10,000-12,000 strikes before they exploded .[/QUOTE]</p><p><br /></p>
[QUOTE="Paddy54, post: 2061455, member: 19250"]Case in point the shield nickel weight 5 grams comp. .750 copper .250 nickel Dia. 20.5 mm vs Liberty nickel 5 grams comp.750 copper .250 nickel however dia. Was 21.2 mm. That difference of .7 mm thickness made the Shield nickel harder to strike using the same comp. Of copper and nickel. .7 mm thickness does not seem a lot but it was as dies only got 10,000-12,000 strikes before they exploded .[/QUOTE]
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