Double Eagle Gold Coin
The first double eagle was minted in 1849,but it wasn't until 1850 that regular production began and continued until 1933. Prior to 1850, eagles with a denomination of $10 were the largest denomination of US coin. $10 eagles were produced beginning in 1795. Since the $20 gold piece had twice the value of the eagle, these coins were designated "double eagles".
Double Eagle gold coins are not only valuable but they are really fun to collect. Finding a double eagle gold coin in near mint condition is a great buy.