No Saint-Gaudens $20 gold coins have been struck since 1933.
The modern American Eagle Bullion coins that use a modified rendition of Saint-Gaudens design are only struck in $5, $10, $25 and $50 denominations.
Philadelphia
No silver or gold 1 dollar coins were struck in 1933
$10 gold coins minted prior to 1933 are called "Eagles". Gold coins minted after 1986 are called "Gold American Eagle".
Yes, there used to be a gold dollar. There were three designs minted between 1849 and 1889. It was one of the smallest coins the US ever minted.
Sorry no US $10 dollar coins date 1916 were struck.
Dollar coins minted since 2000 are made of manganese brass. They're not gold, just "golden".
There were no $20 gold coins minted in the USA in 1939.
No US gold coins were minted in 1975. Proof sets contained only the standard circulating coins of the time: A 1975 dated cent, nickel, and dime, and a dual-dated 1776-1976 Bicentennial quarter, half dollar, and dollar.
The current face value of all presidential dollar coins is $1. Remember, they're brass, not gold. Presidential dollar coins minted at Philadelphia and Denver are worth a dollar even if they are uncirculated. Proof-quality presidential dollar coins minted at San Fransisco are worth $3.
U.S. gold coins are 90% gold with 10% copper.
The first U.S. $1 gold coins were minted in 1849.
Lincoln penny, walking liberty half dollar, ten dollar Indian head gold & twenty dollar St. Gaudens gold. Most of the gold coins were melted before ever going into circulation.