The Secret Message in Abraham Lincoln's Pocket Watch — mashable.com

In the 1850s Abraham Lincoln, then a successful lawyer, purchased a fine pocket watch from George Chatterton, a jeweler in Springfield, Illinois. The mechanism itself was manufactured in Liverpool, England, but the 18-carat case was of the best quality manufactured in America. Aside from its make, there was nothing special about this particular watch ... until later on, when someone else got his hands on it.

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