1. American Silver Eagle Manufactured by the U.S. Mint beginning in 1986, the American Silver Eagle is the U.S.’s only silver bullion coin.

The coin's modern silver value is a mere $1.03, according to CNN, but after "an exhilarating" 12-minute-long bidding war it sold for $2.52 million.

Although the coin is only about the size of a nickel and has a silver value of just $1.03 on today’s market, its age and ties to American history have made it the most expensive non-gold US coin ...

A hoard of Norman-era silver coins unearthed five years ago in southwestern England has become Britain’s most valuable treasure find ever, after it was bought for £4.3 million ($5.6 million) by ...

The Dutch lion dollar (Leewendaalder) was a large silver coin minted in the Dutch provinces and later in the Dutch Republic during the 16th-18th centuries with a lion rampant on one side of the coin.

“They finally decided that the best way to value the coins was by the weight of the coin,” Barton said. “Most of these coins were worth 1 ounce of silver.” ...