Australia's 1-ton Perth Mint Kangaroo coin holds the Guinness World Record as the largest ever struck, containing roughly $144 million in gold today. Jahangir's 26-pound Mughal 1,000-mohur vanished ...

Through the process of including bronze surcharges on circulating currency, fractional notes offer printing errors not seen on any other type of U.S.-issued currency (bronze surcharges were also used ...

From market indices and price guides to auction results, measuring numismatic appreciation is complicated, and experienced collectors know that no single source tells the whole story.

Check your change jar for a bicentennial quarter that could be worth a five-figure payday, and a few other coins that have ...

A historic 1909–11 T206 Honus Wagner certified CGC Authentic – Restored sold for $1,337,263 in a Love of the Game ...