^Lot 487 UNITED STATES, San Francisco mint, gold Coronet Liberty Head double eagle ($20), 1857-S, spiked shie

UNITED STATES, San Francisco mint, gold Coronet Liberty Head double eagle ($20), 1857-S, spiked shield, PCGS UNC details / environmental damage (in large SS Central America "Ship of Gold" holder with pinch of California gold dust). KM-74.1. 5" x 4½" holder. Sharply detailed piece with some matte surface staining in the centers but still retaining original mint luster around the rims. Housed in a special PCGS slab with a pinch of gold (about 1.5 grams) from the shipwreck, the label hand-signed by chief scientist Bob Evans, also with promotional cardboard box and certificate from PCGS. Recovered from: S.S. Central America, sunk in 1857 off North Carolina
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