Specimen set coin, but stored with indifference to humidity.
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer
That's what I meant - specimen sets, not proof sets. That's why it's silver. SPP, does the red velour-ish packaging cause the coins to spot and tone like this, or is is just humidity?
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