In 1877, the Chief Engraver of U.S. Mint, William Barber replaced the denomination TWENTY D. with TWENTY DOLLARS in the $20 Liberty Head double eagle coins. This last variation of the Liberty double eagle, often labeled Type 3, was by far the largest mintage of the three types of Liberty Head double eagles, with 64,137,477 business strikes and 2,426 proofs minted from 1877 through 1907.
When buying 1877 double eagle coin, look for traces of wear on the hair above Lady Liberty's forehead and behind her ear, on her cheek, and on the coronet. On the reverse, check for wear on the eagle's neck and wing tips, and on the top of the shield.
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 1877 S $20 Double Eagle Liberty Head Gold Coin  US $1,699.00
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 1877 S Double Eagle $20 Gold Coin US $1,050.57
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 1877 S DOUBLE EAGLE $20 GOLD COIN 1OZ D49 US $1,825.00
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 1873 OP 3 AU 58 NGC 58 GOLD $20 Lib NO SPOTS US $1,868.00
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 1873 OP 3 MS 60 NGC GOLD $20 Lib NO SPOTS US $1,986.00
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 1868 S NGC AU 50 GOLD $20 Lib NO SPOTS US $1,986.00
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 1877 CC NGC AU 50 $20 Gold RARE CC MINT US $4,860.00
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 1903 S NGC MS 63 GOLD $20 Lib Value $3400 US $3,186.00
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 1896 S NGC MS 63 GOLD $20 Lib VALUE $3600 US $2,986.00
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 1877 NGC NGC MS 60 RARE $20 GOLD Lib US $1,986.00
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 1882 S PCGS AU 55 GOLD $20 Lib PCGS val$2000 US $1,868.00
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 1888 NGC MS 61 GOLD $20 Lib Mkt VALUE $2500 US $2,286.00
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