An extraordinarily rare coin with a face value of just pennies when it was minted in mid-17th century New England could sell for the equivalent of about $300,000 when it’s put up for auction in London ...

A shilling coin from 1652 that was made in Boston could be worth $300,000. The coin is considered to be the finest example of the roughly 40 such coins known to still exist, according to auctioneer ...