The 1847 Liberty Gold $2.50, commonly known as the "Quarter Eagle," is a notable type of collectible coin in the United States. It features a design by famed engraver James B. Longacre, depicting Lady Liberty on the obverse and a heraldic eagle on the reverse. This coin, struck in 90% gold, is valued by collectors for its historical significance and gold content, with only a limited number minted in that year, adding to its rarity and desirability in the numismatic market.