Potosi, the coin lacks a date, however the ship sank in the Florida Keys on September 6, 1622 and comes with Treasure Salvors, Inc. Certificate of Authenticity #10079, dated September 1, 1982, signed in print by Mel Fisher; the document includes obverse and reverse photos of the coin, giving it a weight of 19.89 grams. Original flip insert is present.

From a private Virginia collection