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Collector plates were a hot market several decades ago when many consumers purchased them as investments as well as decorative objects. However, instead of increasing in value, most plates turned out to be worth much less than their original price.
Best Answer: The Presorted standard stamps are worth much more than 1 cent, but I believe they can only be used by businesses sending out, well, Presorted standard-class mail (as opposed to the first-class single-piece mail an individual generally sends out).