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<p>[QUOTE=&quot;medoraman, post: 1419670, member: 26302&quot;]1. When the mint went away from silver, they had a lot of expectations they had to meet. Two of the main ones is keep coins being accepted in vending machines, and also keep the same color. The way they discovered how to do this was put a lot of copper in the coin for conductivity, but copper is not silver colored, so they layered it in a silver metal mixture. Basically its that way to let the coin work in vending machines but still look &quot;silver&quot;.</p><p><br /></p><p>2. Coins historically were flipped end over end, so this way the reverse, when doing that, would be right side up. Medals, (think of wearing one on yoru chest), have to be flipped side to side, hence its orientation.[/QUOTE]</p><p><br /></p>

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