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<p>[QUOTE=&quot;-jeffB, post: 4142601, member: 27832&quot;]33.6 oz is not 90% of 40.6 ounces. It&#039;s 83%. You&#039;re confusing troy and standard ounces, or something like that.</p><p><br /></p><p>JUST CONVERT EVERYTHING TO GRAMS. It&#039;s really not complicated.</p><p><br /></p><p>Silver dimes, quarters and halves, as minted from the late 1800s until 1964, weighed 25 grams per dollar as struck. Since they contain 90% silver, that&#039;s 22.5 grams of silver per dollar FV. A troy ounce is 31.1g, so 22.5/31.1 = 0.723 ounces of silver per dollar FV. The .715 figure is about 1% lower, and is meant to compensate for loss due to circulation wear.</p><p><br /></p><p>$47 face of <i>uncirculated</i> halves and quarters would weigh about 1175g, which is 37.78 troy ounces, or 37.4 troy ounces after deducting 1% for wear.</p><p><br /></p><p>&quot;A scale (measuring standard ounces, not troy) would show&quot; 41.4 ounces for $47 FV of uncirculated 90% coins, 41 ounces for normally-worn.[/QUOTE]</p><p><br /></p>

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