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<p>[QUOTE=&quot;Pete Apple, post: 3967687, member: 103982&quot;]Quarter weight missing one clad layer = 4.71 g +/- 0.347 g; missing two clad layers = 3.75 g +/- .467 g. A normal-weight missing clad error is possible, but extremely rare and is not the case with your coin.</p><p><br /></p><p><b>The thicknesses of the elements of the composite strip out of which blanks are punched:</b></p><p><br /></p><p><b>Quarter clad layer (75% +/- 2.5% Cu 25% +/- 2.5% Ni) = 231.14 µm&nbsp;&nbsp; (+/- 25.4 µm)</b></p><p><br /></p><p><b>Quarter Copper Core (pure copper) = 916.94 µm (+/- 25.4 µm)</b>[/QUOTE]</p><p><br /></p>

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