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. <em>Central America</em>, also accompanied by one pinch of gold dust from that treasure. Fully struck and intensely lustrous, both sides are further enhanced by lovely rose-gold patina.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. <em>Central America</em> treasure. Under Evans signature is the note: "I certify this coin and gold dust were recovered from the S.S. <em>Central America</em>." 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. <em>The box and certificate are available to the winning bidder upon request to Stacks Bowers Galleries at the close of the auction</em>. From the Q. David Bowers Collection. Earlier ex S.S. <em>Central Americ</em><em>a</em>.