Researchers used robotic diving vehicles to study gold coins on the seafloor by the wreck of the Spanish galleon San José.

More than 300 years after the San José galleon sank off the coast of Cartagena, researchers have confirmed that gold coins ...

The long-lost Spanish galleon is finally revealing its secrets. But untangling its ownership might take even longer.

New research has brought us closer than ever to confirming the identity of one of the most famous shipwrecks in history—the ...

In October, a rare misprinted US coin was sold for $500,000. In November, a family discovered that their gold coin collection was worth a staggering $2 million. They had originally suspected it ...

[Related: Colonial silver coin found in cabinet sells for $2.5 million.] This double eagle $20 gold piece weighs nearly an ounce. Eventually, double eagles became the largest coin for circulation.

said these colonial Spanish coins were often cut from gold or silver ingots. "Hand-struck, irregularly shaped coins — known as cobs in English and macuquinas in Spanish — served as the primary ...