At first glance, the 2008 Liberty Bell Forever stamps look pretty straightforward: the familiar Liberty Bell, the word “FOREVER,” and a denomination-free design that has become a staple of modern U.S. postage. But for stamp collectors, these little stamps hide a surprising amount of detail. The 2008 Liberty Bell issue includes several varieties that can be distinguished by details in the lettering and microprinting. And some of those differences are small enough that they can easily escape notice unless you know exactly where to look. Start with the “FOREVER” One...
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