Find Out: These 11 Rare Coins Sold for Over $1 Million ... are worth $100,000 and above. Here are the two most valuable Presidential Dollars, as cited by CoinValueLookup: 2007 John Adams (without ...
An extremely rare 17th century coin owned by Founding Father John Adams' family has sold ... It weighs just 1.1 gram and has a silver value of just over $1 on today's market.