Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)52E transitional Type IV, ex-Mastalir collection. S-P37; KM-A20.4; CT-432. 20.53 grams. Crudely corroded pillars, nearly full but off-center shield with bold 52 date and clear king's ordinal IIII, mostly darkly toned, edge-split. Pedigreed to the Roberto Mastalir collection, #IV.a-A.??(ND)1 in his book (page 114), with Dargent-Chamot certificate, and pedigreed to our Auction #7, with original lot-tag #302. Recovered from: "Jupiter wreck" (San Miguel el Arcangel), sunk in 1659 off the east coast of Florida ($150-225)