1904 Gold Double Eagle Slabbed Coin Liberty Coronet Head San Francisco Mint MS-63. This is a 1904 United States Gold Double Eagle $20 Dollar Coin. The coins were struck at the San Francisco branch of the US Mint, and so have an "S" mintmark. They have a fineness of 0.900 or 21.6 carat. This 1901 Liberty Head eagle is graded and certified MS64 by PCGS. This lustrous coin will make a great addition to a Liberty head eagle collection. We encourage you to double-check that information independently as populations and price guides are subject to change.. 1900 & 1901 S Barber Half Dollars (1901 San Francisco minted coin is a Semi-Key Coin) Not a grader. Grades are to best ability. Buyer to pay $4.50 for shipping and handling. If ad.