1857-S Liberty Head Double Eagle. Variety-20A. Spiked Shield. With One Pinch of California Gold Dust. MS-64 (PCGS).Here is another remarkable Choice Mint State 1857-S double eagle from the S.S. Central America, also accompanied by one pinch of gold dust from that treasure. Both sides are fully struck with razor sharp detail from the rims to the centers. With its attractive frosty texture and vivid golden-rose patina, this lovely example is sure to sell for a premium bid. The coin and pinch are housed together in a special large size PCGS holder. The back of the PCGS insert features the signature of Bob Evans, chief scientist and historian of the S.S. Central America treasure. Under Evans signature is the note: "I certify this coin and gold dust were recovered from the S.S. Central America." Also included in this lot is a cardboard Ship of Gold presentation box designed to house the large size PCGS holder, as well as a Certificate of Authenticity from David Hall in his capacity as founder of PCGS. The box and certificate are available to the winning bidder upon request to Stacks Bowers Galleries at the close of the auction.From the Q. David Bowers Collection. Earlier ex S.S. Central America.