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1971 D Quarter on dime stock
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<p>[QUOTE="Oldhoopster, post: 2823907, member: 84179"]It looks like it has potential to be a quarter struck on thinner stock, since it's light weight. Could be Dime stock or just a manufacturing error rolling the strip thinner than the quarter specs. Also, I can't see anything obvious indicating abrasion or other sources of metal removal, so you may have something.</p><p><br /></p><p>You should be able to calculate what a quarter struck on dime stock should weigh, but I'm too lazy on a Sunday morning to do it. (or as an old professor of mine used to joke when he got stuck on a derivation in class; "We will leave that as an exercise for the student to complete") <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 2823907, member: 84179"]It looks like it has potential to be a quarter struck on thinner stock, since it's light weight. Could be Dime stock or just a manufacturing error rolling the strip thinner than the quarter specs. Also, I can't see anything obvious indicating abrasion or other sources of metal removal, so you may have something. You should be able to calculate what a quarter struck on dime stock should weigh, but I'm too lazy on a Sunday morning to do it. (or as an old professor of mine used to joke when he got stuck on a derivation in class; "We will leave that as an exercise for the student to complete") :)[/QUOTE]
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