1889 Liberty Head Double Eagle – $20 Gold Coin The coin presented is a $20 U.S. Double Eagle, Liberty Head type, minted in 1889. It measures 34.45 mm in diameter, approximately 2.48 mm in thickness, and weighs 33.41 g, which aligns closely with the official specifications of this issue (33.436 g nominal). Struck in 90% gold (21.6K) with a reeded edge, the coin features on its obverse the classic portrait of Lady Liberty surrounded by 13 stars, while the reverse displays the United States heraldic eagle along with the inscription “UNITED STATES OF AMERICA – TWENTY DOLLARS.” The piece shows well-preserved details, clear relief, and a natural patina consistent with lightly circulated historical gold coins.