The 1904 $2.50 Liberty Gold coin, also known as the Quarter Eagle, was struck in Philadelphia and features a design by engraver Augustus Saint-Gaudens. This coin contains 0.1209 troy ounces of gold and showcases Lady Liberty on the obverse, surrounded by 13 stars, and an eagle on the reverse. Collectors value this coin for its historical significance and gold content, with its condition significantly impacting its market value.