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Pennies as in coins?? Yep! Cillit bang reckons it can, but coca cola is the best. Just drop them in it and voila! The acid in Tomato Juice or catsup, or ketchup will do the same thing. If the penny is a collectable, do not clean it as any excess polishing or rubbing on the surface will actually reduce the value of the coin.

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17y ago

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