Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (2nd period), NGC Sao Jose / shipwreck effect, with original box. S-P6; KM-4.2. Good full cross, clear P-B to left of full but weaker shield, moderate surface corrosion, streaks of black. Housed in wooden promotional box with salvager's certificate. NGC #1974029-024. Recovered from: Sao Jose, sunk in 1622 off Mozambique, east of Africa

Estimate: $150-225