The Saint-Gaudens Double Eagle gold coin is a $20 gold piece struck by the United States Mint between 1907 and 1933; certain versions hold a numismatic value.
The $20 Liberty Head Gold Double Eagle was the first $20 gold piece struck by the US Mint between 1850 and 1907; authorized upon the California Gold Rush.
The $10 Liberty Head Eagle coin was struck between 1838 and 1907 and was an essential part of the financial system; today many versions are highly collectable.
The Indian Head $5 Gold Piece, struck from 1908–1916 and again in 1929 and was the first US coin with a unique incuse design and is now popular among collectors.
The $2.5 Indian Gold coin was only minted for 13 years; it was designed by Bela Lyon Pratt and is identical except in size and denomination the the $5 Indian Head.
The $2.5 Liberty Head Gold coin was a small and practical piece of US currency that was minted unchanged for 67 consecutive years between 1840 and 1907.