Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip III, assayer D, ex-Eidel. S-M18; KM-44.3. 21.66 grams. Good full cross, some shield and crown and oMD, much flatness but much less corroded than most from this wreck, silvery from cleaning and with artifact number stickered onto the shield side. Pedigreed to the Charles Eidel collection, with original Seahawk certificate 91-1A-2081.0050.Recovered from: "Dry Tortugas wreck," sunk ca. 1622 off the Dry Tortugas, west of Key West, Florida.

Estimate: $200 - $300