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{| |- | This time frame is one of the biggest challenges for a US stamp collector. During this time there were many different versions of printings and perforation types. Minor color variations can make a big difference in value as well. You'll have to do some serious research to determine exactly which stamp and its value. Consult a stamp catalog such as Scott's, for a description on how stamps are rated and graded. |}

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16y ago

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