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Mint process simplified and why errors and varieties occur .
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<p>[QUOTE="R_rabbit, post: 3496268, member: 101793"]<a href="http://www.coinpeople.com/topic/3224-what-are-the-allowed-deviations-of-coin-weight/?do=findComment&comment=67360" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.coinpeople.com/topic/3224-what-are-the-allowed-deviations-of-coin-weight/?do=findComment&comment=67360" rel="nofollow">2005</a></p><p><br /></p><p>I don't know the standards used in other countries, but I have a list of the allowed tolerance for most US coins.( this was from another site that conder101 had stated)( not sure if that is our [USER=66]@Conder101[/USER] )</p><p><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>Small cent 1856 - 1971 was 2 grains or +/- .13 grams</p><p><br /></p><p>Small cent 1972 - 1982 was 1.9 grains +/- .12 grams</p><p><br /></p><p>nickels 1855 - date 3 grains +/- .19 grams</p><p><br /></p><p>dimes 1.5 grains +/- .09 grams</p><p><br /></p><p><br /></p><p>quarters 3 grains +/- .19 grames (notice it is geting stricter. Weight of coin up 2.5 times, tolerance up only 2 times)</p><p><br /></p><p><br /></p><p>Halves 4 grains +/- .26 grams (weight up 100% tolerance up 33%)</p><p><br /></p><p><br /></p><p>silver dollar 6 grains +/- .39 grams (weight up 100% tolerance up 50% compared to the dime the weight is up ten times, tolerance up four times.)</p><p><br /></p><p><br /></p><p>Ike dollar 40% or clad 8 grains +/- .52 grams This is the only clad coin not held to the same standard as the silver versions.</p><p><br /></p><p><br /></p><p>Gold coins were held to much stricter tolerances especially as the weight increased.</p><p><br /></p><p><br /></p><p>gold dollar .25 grains +/- .02 grams</p><p><br /></p><p><br /></p><p>quarter eagle .25 grains +/- .02 grams weight up 150% tolerance up 0%</p><p><br /></p><p><br /></p><p>three dollar .25 grains +/- .02 grams still 0% increase in tolerance</p><p><br /></p><p><br /></p><p>half eagle .25 grains +/- .02 grams still 0% increase in tolerance</p><p><br /></p><p><br /></p><p>eagle .5 grains +/- .04 grains ten times the weight of the gold dollar with only a doubling of the tolerance allowance.</p><p><br /></p><p><br /></p><p>Double eagles .5 grains +/- .04 grams Weight doubled again with no increase in tolerance.[/QUOTE]</p><p><br /></p>
[QUOTE="R_rabbit, post: 3496268, member: 101793"][URL='http://www.coinpeople.com/topic/3224-what-are-the-allowed-deviations-of-coin-weight/?do=findComment&comment=67360']2005[/URL] I don't know the standards used in other countries, but I have a list of the allowed tolerance for most US coins.( this was from another site that conder101 had stated)( not sure if that is our [USER=66]@Conder101[/USER] ) :) Small cent 1856 - 1971 was 2 grains or +/- .13 grams Small cent 1972 - 1982 was 1.9 grains +/- .12 grams nickels 1855 - date 3 grains +/- .19 grams dimes 1.5 grains +/- .09 grams quarters 3 grains +/- .19 grames (notice it is geting stricter. Weight of coin up 2.5 times, tolerance up only 2 times) Halves 4 grains +/- .26 grams (weight up 100% tolerance up 33%) silver dollar 6 grains +/- .39 grams (weight up 100% tolerance up 50% compared to the dime the weight is up ten times, tolerance up four times.) Ike dollar 40% or clad 8 grains +/- .52 grams This is the only clad coin not held to the same standard as the silver versions. Gold coins were held to much stricter tolerances especially as the weight increased. gold dollar .25 grains +/- .02 grams quarter eagle .25 grains +/- .02 grams weight up 150% tolerance up 0% three dollar .25 grains +/- .02 grams still 0% increase in tolerance half eagle .25 grains +/- .02 grams still 0% increase in tolerance eagle .5 grains +/- .04 grains ten times the weight of the gold dollar with only a doubling of the tolerance allowance. Double eagles .5 grains +/- .04 grams Weight doubled again with no increase in tolerance.[/QUOTE]
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Mint process simplified and why errors and varieties occur .
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