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<p>[QUOTE="Victor, post: 167425, member: 5454"]A worker had to hand punch the die with the letter of the mint. Sometimes they filled in the letter and punched the die again. Or they changed the letter when the die was shipped to another mint.</p><p>Well sometimes the punch bounced when striking the hard metal surface of the die.</p><p>So you get a double impression, or doubling of the mintmark.</p><p>I'm told that after 1990 they no longer hand punched dies.[/QUOTE]</p><p><br /></p>
[QUOTE="Victor, post: 167425, member: 5454"]A worker had to hand punch the die with the letter of the mint. Sometimes they filled in the letter and punched the die again. Or they changed the letter when the die was shipped to another mint. Well sometimes the punch bounced when striking the hard metal surface of the die. So you get a double impression, or doubling of the mintmark. I'm told that after 1990 they no longer hand punched dies.[/QUOTE]
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