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<p>[QUOTE=&quot;Carlos Arriaga, post: 1922728, member: 16089&quot;]I Bring to the Bank with all my change to cash it. But for some reason the Coins Counting machine refused to take it.&nbsp; Then I started a careful investigation in the Internet. IN WEKPEDIA I FOUNDED THIS: During the early 1970&#039;s the price of the copper rose to a point where the cent contained almost one cent&#039;s worth of copper. This led the mint to test alternative metals, including aluminum and Bronze clad steel. aluminum was chosen and over 1.5 millions of the pennies were struck and ready for public release before ultimately being rejected.&nbsp; The proposed aluminum pennies were rejected for two reasons. vending machine owners complained the coins would cause mechanical problems. and pediatricians and pediatric radiologist pointed out that inside the respiratory and gastrointestinal tracts was close to that of soft tissue and the coins would therefore be difficult to detect in x-ray imaging one aluminum cent was donated to the Smithsonian Institution. Any help. Welcome.[ATTACH=full]330392[/ATTACH] [ATTACH=full]330391[/ATTACH][/QUOTE]</p><p><br /></p>

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