Ultra rare coin owned by Founding Father John Adams' family sells for record-breaking $2.5 MILLION
Mysterious rare dime sold for $500K by three sistersAn extremely rare 17th century coin owned by Founding Father John Adams' ...
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10 Commemorative Coins Worth Over $100 — How To Gauge Their Value
The U.S. Mint exists to produce money, but it also makes money by creating bullion coins for investors and numismatic coins ...