Watch List notes:

Potosi, Bolivia, cob 8 reales, 1617 (M), Grade 1, ex-Christie's (1988). S-P19; KM-10; Cal-921. 24.23 grams. Bold full 7 of date outside of full cross-and-tressure, also full shield, some minor corrosion but also with parts of edge crude as made. With Fisher tag and certificate 85A-174151, pedigreed to the Christie's (New York) auction of June 1988, with original lot-sticker 295-4, and to the RWB Reference Collection of Atocha dated cobs. Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 1500 - 2250 USD