Watch List notes:

Potosi, Bolivia, cob 8 reales, 1619T, Grade 1, ex-San Diego Show Plate Coin. S-P21; KM-10; CT-133. 25.22 grams. Choice full shield (slightly doubled) with clear denomination and parts of king's name PHYLYPVS to right, full but weaker cross-and-tressure with clear 619 of date, minimal corrosion, rare and desirable pedigree. With Fisher certificate #147283 and pedigreed to the San Diego Show auction (September 1987), with original lot-tag #3259 (plated in catalog). Atocha, sunk in 1622 west of Key West, Florida

Estimate: $1000-1500