CoinWorld - That mated pair of Proof 1964 Jefferson 5-cent coins that we profiled
here in March have sold, realizing $5,170 in one of Heritage's Central States Numismatic Society convention auctions in suburban Chicago.
Mated pairs of coins — pieces that are struck by the same die pair at the time — are rare. Even rarer is when both coins in a pair remain together to be discovered by a collector. And still rarer yet is when the coins in a mated pair are Proof strikes since they are struck individually and are carefully inspected.
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