Gold coins dated 1795-1834 are 91.67% fine gold or 22 Karats. These include Quarter Eagles ($2.50), Half Eagles ($5), and Eagles ($10). All 1795-1834 gold coins are very rare. That's because many were melted down. 1795-1834 gold coins often sell for thousands or even millions of dollars.
Gold coins dated 1834-1836 are 89.92% fine gold. These include Quarter Eagles ($2.50) and Half Eagles ($5). 1834-1836 gold coins are scarce and command a premium.
Gold coins dated 1837-1933 are 90% fine gold. These include $1, $2.50, $3, $4, $5, $10, and $20 coins. Most gold coins dated before 1880 are scarce and command a premium. Gold coins dated after 1880 are more common and trade close to their bullion value.
US gold coins were produced at various mints. These include Philadelphia (no mintmark), Charlotte (C mintmark), Dahlonega (D mintmark), New Orleans (O mintmark), San Francisco (S mintmark), Carson City (CC mintmark), and Denver (D mintmark).
The rarest gold coins were produced at the Charlotte and Dahlonega mints. For example, a 1839 Half Eagle from the Charlotte Mint sold for $173,000 at auction.
$1 and $3 gold coins are mostly numismatic pieces. $4 gold coins are among the rarest US coins.
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