Watch List notes:

Potosi, Bolivia, cob 8 reales, (16)52E transitional Type IV, ex-Mastalir collection. S-P37; KM-A20.4; CT-432. 15.34 grams. Heavily corroded around edge (about 40% loss) but with full shield and most of pillars bold, brown-toned legends. Pedigreed to the Roberto Mastalir collection, die #IV.1-A.bb1(2)4 (not in his book), and pedigreed to our Auction #17, with original lot-tag #398. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador ($125-200)