Watch List notes:

Potosi, Bolivia, cob 8 reales, 16(50)O with dots between digits, with crude lions-and-castles countermark (extremely rare) on cross. S-P35; KM-unl (19b for type). 24.21 grams. Full shield and cross-lions-castles despite small areas of light corrosion, clear assayer to right, bold partial date (twice, due to doubling), all lightly toned, but best feature is the borderless, indigenous-style lions-and-castles countermark, only the second example we have seen and totally unknown prior to our Auction 20 (lot 373, the discovery piece). With MAREX tag #C2-13/16. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
($2000-4000)