Considered the first U.S. dollar coin, it's extremely rare and can fetch over $10 million at auction.
This $20 gold coin, designed by Augustus Saint-Gaudens, can sell for around $7.6 million.
Minted by goldsmith Ephraim Brasher, this gold coin is valued at approximately $7.4 million.
Only 15 of these coins are known to exist, making them highly sought after and worth over $4 million each.
With only five specimens known to exist, this coin can command prices upwards of $4 million.
One of the most famous U.S. coins, it's valued at around $3.7 million.
Although over 400,000 were minted, most were melted down, making this coin exceedingly rare and worth over $7.6 million.
The first large cent coin minted by the U.S. and highly sought after by collectors, it can be valued at over $1 million.